Teach Webpack to bundle translations plugin locales

Bug # 14679

Signed-off-by: Alex Coles <alex@alexbcoles.com>

app/assets/javascripts/angular/openproject-app.js

@@ -27,8 +27,17 @@
 //++
 
 var I18n = require('./vendor/i18n');
-I18n.translations.de = require("locales/js-de.yml").de;
+
+// standard locales
 I18n.translations.en = require("locales/js-en.yml").en;
+I18n.translations.de = require("locales/js-de.yml").de;
+
+// extra locales, automatically loaded
+var requireExtraLocale = require.context('extra-locales', false, /js-[\w|-]{2,5}\.yml$/);
+requireExtraLocale.keys().forEach(function(localeFile) {
+  var locale = localeFile.match(/js-([\w|-]{2,5})\.yml/)[1];
+  I18n.translations[locale] = requireExtraLocale(localeFile)[locale];
+});
 
 var angular = require('angular');
 require('angular-animate');

webpack.config.js

@@ -1,5 +1,6 @@
 var webpack  = require('webpack'),
-  path = require('path');
+  path       = require('path'),
+  pathConfig = require('./config/rails-plugins.conf');
 
 module.exports = {
   context: __dirname + '/app/assets/javascripts/angular',
@@ -15,7 +16,7 @@ module.exports = {
     loaders: [
       { test: /[\/]angular\.js$/,         loader: "exports?angular" },
       { test: /[\/]vendor[\/]i18n\.js$/,  loader: "expose?I18n" },
-      { test: /js-\w{2}\.yml$/,           loader: 'json!yaml' },
+      { test: /js-[\w|-]{2,5}\.yml$/,     loader: 'json!yaml' }
     ]
   },
 
@@ -29,6 +30,7 @@ module.exports = {
 
     alias: {
       'locales':        'config/locales',
+      'extra-locales':  path.join(pathConfig.translationsPluginPath, 'config', 'locales'),
 
       'angular-ui-date': 'angular-ui-date/src/date',
       'angular-truncate': 'angular-truncate/src/truncate',
@@ -40,6 +42,10 @@ module.exports = {
     }
   },
 
+  resolveLoader: {
+    root: __dirname + '/node_modules'
+  },
+
   externals: { jquery: "jQuery" },
 
   plugins: [