resourceloader: Use Object.keys() instead of map() to get keys

Bug: T160953
Change-Id: I2a6a6cec0df21678cc054b4dcb95531e8e7dc582

diff --git a/resources/src/mediawiki/mediawiki.js b/resources/src/mediawiki/mediawiki.js
index b963c7b..c45a861 100644 (file)
--- a/resources/src/mediawiki/mediawiki.js
+++ b/resources/src/mediawiki/mediawiki.js
@@ -2146,9 +2146,7 @@
                                 * @return {Array}
                                 */
                                getModuleNames: function () {
-                                       return $.map( registry, function ( obj, key ) {
-                                               return key;
-                                       } );
+                                       return Object.keys( registry );
                                },
 
                                /**