/**
* Collection utilities beyond what is provided in the YUI core
* @module collection
* @submodule array-invoke
*/
/**
* Adds the <code>Y.Array.invoke( items, methodName )</code> utility method.
* @class YUI~array~invoke
*/
/**
* <p>Execute a named method on an array of objects. Items in the list that do
* not have a function by that name will be skipped. For example,
* <code>Y.Array.invoke( arrayOfDrags, 'plug', Y.Plugin.DDProxy );</code></p>
*
* <p>The return values from each call are returned in an array.</p>
*
* @method invoke
* @static
* @param { Array } items Array of objects supporting the named method.
* @param { String } name the name of the method to execute on each item.
* @param { mixed } args* Any number of additional args are passed as
* parameters to the execution of the named method.
* @return { Array } All return values, indexed according to item index.
*/
Y.Array.invoke = function(items, name) {
var args = Y.Array(arguments, 2, true),
isFunction = Y.Lang.isFunction,
ret = [];
Y.Array.each(Y.Array(items), function(item, i) {
if (isFunction(item[name])) {
ret[i] = item[name].apply(item, args);
}
});
return ret;
};