source: Dev/trunk/src/client/dojox/mobile/transition.js

define([
        "dojo/_base/Deferred",
        "dojo/_base/config"
], function(Deferred, config){
        /*=====
        return {
                // summary:
                //              This is the wrapper module which loads
                //              dojox/css3/transit conditionally. If mblCSS3Transition
                //              is set to 'dojox/css3/transit', it will be loaded as
                //              the module to conduct view transitions, otherwise this module returns null.
        };
        =====*/
        if(config['mblCSS3Transition']){
                //require dojox/css3/transit and resolve it as the result of transitDeferred.
                var transitDeferred = new Deferred();
                require([config['mblCSS3Transition']], function(transit){
                        transitDeferred.resolve(transit);
                });
                return transitDeferred;
        }
        return null;
});