Ticket #30181: 30181.diff

src/wp-includes/js/customize-base.js

@@ -316 +316 @@
                         return this.add( id, new this.defaultConstructor( api.Class.applicator, slice.call( arguments, 1 ) ) );
                 },
 
+                /**
+                 * Iterate over each value in the collection.
+                 *
+                 * @param {Function} callback, passed the value, key, and context
+                 * @param {Object} [context] defaults to this
+                 * @returns {wp.customize.Values}
+                 */
                 each: function( callback, context ) {
-                        context = typeof context === 'undefined' ? this : context;
+                        context = ( typeof context === 'undefined' ? this : context );
+                        return _.each( this._value, callback, context );
+                },
 
-                        $.each( this._value, function( key, obj ) {
-                                callback.call( context, obj, key );
-                        });
+                /**
+                 * Run a callback on each value and return an array of the return values.
+                 *
+                 * @param {Function} callback
+                 * @param {Object} [context] defaults to this
+                 * @param {Array} Return the results of applying the iteratee to each element.
+                 */
+                map: function ( callback, context ) {
+                        context = ( typeof context === 'undefined' ? this : context );
+                        return _.map( this._value, callback, context );
                 },
 
                 remove: function( id ) {