2 Copyright (c) 2010, Yahoo! Inc. All rights reserved.
3 Code licensed under the BSD License:
4 http://developer.yahoo.com/yui/license.html
8 YUI.add('array-invoke', function(Y) {
11 * Collection utilities beyond what is provided in the YUI core
13 * @submodule array-invoke
17 * Adds the <code>Y.Array.invoke( items, methodName )</code> utility method.
18 * @class YUI~array~invoke
22 * <p>Execute a named method on an array of objects. Items in the list that do
23 * not have a function by that name will be skipped. For example,
24 * <code>Y.Array.invoke( arrayOfDrags, 'plug', Y.Plugin.DDProxy );</code></p>
26 * <p>The return values from each call are returned in an array.</p>
30 * @param { Array } items Array of objects supporting the named method.
31 * @param { String } name the name of the method to execute on each item.
32 * @param { mixed } args* Any number of additional args are passed as
33 * parameters to the execution of the named method.
34 * @return { Array } All return values, indexed according to item index.
36 Y.Array.invoke = function(items, name) {
37 var args = Y.Array(arguments, 2, true),
38 isFunction = Y.Lang.isFunction,
41 Y.Array.each(Y.Array(items), function(item, i) {
42 if (isFunction(item[name])) {
43 ret[i] = item[name].apply(item, args);