1 files changed, 31 insertions, 0 deletions
diff --git a/www/wiki/extensions/Translate/resources/js/ext.translate.recentgroups.js b/www/wiki/extensions/Translate/resources/js/ext.translate.recentgroups.js
new file mode 100644
index 00000000..360739d1
--- /dev/null
+++ b/www/wiki/extensions/Translate/resources/js/ext.translate.recentgroups.js
@@ -0,0 +1,31 @@
+( function () {
+	'use strict';
+
+	mw.translate = mw.translate || {};
+
+	/**
+	 * Simple wrapper for storing recent groups for an user.
+	 *
+	 * @class mw.translate.recentGroups
+	 * @singleton
+	 * @since 2016.03
+	 */
+
+	mw.translate.recentGroups = {
+		get: function () {
+			return JSON.parse( mw.storage.get( 'translate-recentgroups' ) ) || [];
+		},
+
+		append: function ( value ) {
+			var items = this.get();
+
+			items.unshift( value );
+			items = items.filter( function ( item, index, array ) {
+				return array.indexOf( item ) === index;
+			} );
+			items = items.slice( 0, 5 );
+
+			mw.storage.set( 'translate-recentgroups', JSON.stringify( items ) );
+		}
+	};
+}() );