html5游戏引擎iioEngine.js用seajs怎么模块化

求助https://github.com/sbiermanlytle/iioengine/blob/master/core/iioEngine.js
html5游戏引擎iioEngine.js用seajs怎么模块化

---

jsdefine(function(require, exports, module){
    var io = {}
    (function(){
        .......
        .......
    })();
    module.exports = io;
});