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Async Command Clone Plugin (gallery-async-command-clone) on cdn

Last Updated: 06/21/12

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Steven Olmsted

YUI Contributor

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Created: 12/5/11
Last CDN Push: 06/20/12
Build Tag: gallery-2012.06.20-20-07
Project: YUI 3
License: YUI BSD
YUI Version: 3.5.1
Free for use.

Y.AsyncCommand instances are designed to be one time use only. This plugin adds a clone method to help facilitate running the same command many times.

If you haven't seen gallery-async, start there: http://yuilibrary.com/gallery/show/Async
It provides convenient syntax so you may not ever need to deal with AsyncCommand instances directly. For example, you could pass the same command function several times into runAll or runQueue instead of creating an AsyncCommand instance and cloning it.

Code Sample

<script src="http://yui.yahooapis.com/3.5.1/build/yui/yui-min.js"></script>

YUI({
    //Last Gallery Build of this module
    gallery: 'gallery-2012.06.20-20-07'
}).use('gallery-async-command-clone', function(Y) {
    var value = 5,
        asyncCommand = new Y.AsyncCommand({
            fn: function (success) {
                Y.later(1000, null, function () {
                    value += value;
                    success();
                });
            }
        }).plug(Y.Plugin.AsyncCommandClone);
 
    Y.Async.runAll([
        asyncCommand.clone.clone(),
        asyncCommand.clone.clone(),
        asyncCommand.clone.clone(),
        asyncCommand.clone.clone(), 
        asyncCommand.clone.clone()
    ]).on('complete', function () {
        alert(value);
    });
});