From d62d1e07ae9a7e4e8ba3c2ba437993096785602d Mon Sep 17 00:00:00 2001
From: Victor Baranov <baranov.viktor.27@gmail.com>
Date: Thu, 18 Jul 2019 00:42:52 +0300
Subject: [PATCH 1/3] Remove unused css, remove moment.js localization files
 except EN

---
 CHANGELOG.md                                           |  1 +
 .../block_scout_web/assets/css/components/_footer.scss |  4 ----
 .../assets/css/components/_network-selector.scss       | 10 ----------
 apps/block_scout_web/assets/webpack.config.js          |  4 +++-
 4 files changed, 4 insertions(+), 15 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c5933961e..fb5372ba77 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 - [#2294](https://github.com/poanetwork/blockscout/pull/2294) - add healthy block period checking endpoint
 
 ### Fixes
+- [#2378](https://github.com/poanetwork/blockscout/pull/2378) - Page performance: exclude moment.js localization files except EN, remove unused css
 - [#2375](https://github.com/poanetwork/blockscout/pull/2375) - Update created_contract_code_indexed_at on transaction import conflict
 - [#2346](https://github.com/poanetwork/blockscout/pull/2346) - Avoid fetching internal transactions of blocks that still need refetching
 - [#2350](https://github.com/poanetwork/blockscout/pull/2350) - fix invalid User agent headers
diff --git a/apps/block_scout_web/assets/css/components/_footer.scss b/apps/block_scout_web/assets/css/components/_footer.scss
index be1c10d44a..f2eae03c3f 100644
--- a/apps/block_scout_web/assets/css/components/_footer.scss
+++ b/apps/block_scout_web/assets/css/components/_footer.scss
@@ -61,10 +61,6 @@ $footer-logo-width: auto !default;
   }
 }
 
-.footer-info {
-  padding-top: 1em;
-}
-
 .footer-link {
   color: $footer-link-color;
 
diff --git a/apps/block_scout_web/assets/css/components/_network-selector.scss b/apps/block_scout_web/assets/css/components/_network-selector.scss
index 8c433f28c3..e8b5f72e78 100644
--- a/apps/block_scout_web/assets/css/components/_network-selector.scss
+++ b/apps/block_scout_web/assets/css/components/_network-selector.scss
@@ -287,16 +287,6 @@ $network-selector-item-icon-dimensions: 30px !default;
   }
 }
 
-.network-selector-load-more-container {
-  flex-shrink: 1;
-  padding: 0 $network-selector-horizontal-padding;
-
-  .btn-network-selector-load-more {
-    @include btn-line($btn-network-selector-load-more-background, $btn-network-selector-load-more-color);
-    width: 100%;
-  }
-}
-
 .network-selector-item-favorite {
   align-items: center;
   cursor: pointer;
diff --git a/apps/block_scout_web/assets/webpack.config.js b/apps/block_scout_web/assets/webpack.config.js
index 63c796d3f7..08a2f410e7 100644
--- a/apps/block_scout_web/assets/webpack.config.js
+++ b/apps/block_scout_web/assets/webpack.config.js
@@ -1,6 +1,7 @@
 const path = require('path');
 const ExtractTextPlugin = require('extract-text-webpack-plugin');
 const CopyWebpackPlugin = require('copy-webpack-plugin');
+const { ContextReplacementPlugin } = require('webpack')
 const glob = require("glob");
 
 function transpileViewScript(file) {
@@ -74,7 +75,8 @@ const appJs =
     },
     plugins: [
       new ExtractTextPlugin('../css/app.css'),
-      new CopyWebpackPlugin([{ from: 'static/', to: '../' }])
+      new CopyWebpackPlugin([{ from: 'static/', to: '../' }]),
+      new ContextReplacementPlugin(/moment[\/\\]locale$/, /en/)
     ]
   }
 

From 345d0247af3cd095462aef9459cc2db28b86763e Mon Sep 17 00:00:00 2001
From: saneery <anatolyniky@gmail.com>
Date: Thu, 18 Jul 2019 11:50:19 +0300
Subject: [PATCH 2/3] Disable network selector when is empty

---
 .../lib/block_scout_web/templates/layout/_topnav.html.eex       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/block_scout_web/lib/block_scout_web/templates/layout/_topnav.html.eex b/apps/block_scout_web/lib/block_scout_web/templates/layout/_topnav.html.eex
index f152ec6bf9..f965f20e0c 100644
--- a/apps/block_scout_web/lib/block_scout_web/templates/layout/_topnav.html.eex
+++ b/apps/block_scout_web/lib/block_scout_web/templates/layout/_topnav.html.eex
@@ -82,7 +82,7 @@
           </div>
         </li>
         <li class="nav-item dropdown nav-item-networks">
-          <a class="nav-link topnav-nav-link dropdown-toggle active-icon js-show-network-selector <%= if dropdown_nets() == [], do: "disabled" %>" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
+          <a class="nav-link topnav-nav-link active-icon <%= if dropdown_nets() != [], do: "dropdown-toggle js-show-network-selector" %>" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
             <span class="nav-link-icon">
               <%= render BlockScoutWeb.IconsView, "_active_icon.html" %>
             </span>

From 4d0c2213e26196a71df90970845847144d2b9b1e Mon Sep 17 00:00:00 2001
From: saneery <anatolyniky@gmail.com>
Date: Thu, 18 Jul 2019 11:56:48 +0300
Subject: [PATCH 3/3] add changelog

---
 CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c5933961e..a3458baa46 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 ## Current
 
 ### Features
+- [#2379](https://github.com/poanetwork/blockscout/pull/2379) - Disable network selector when is empty
 - [#2360](https://github.com/poanetwork/blockscout/pull/2360) - add default evm version to smart contract verification
 - [#2352](https://github.com/poanetwork/blockscout/pull/2352) - Fetch rewards in parallel with transactions
 - [#2294](https://github.com/poanetwork/blockscout/pull/2294) - add healthy block period checking endpoint