兼容AMD和COMMONJS的模块写法

// 兼容AMD和COMMONJS写法
(function (factory) {
    // node环境
    if (typeof require === ‘function‘
        && typeof exports === ‘object‘
        && typeof module === ‘object‘) {
        factory(require, exports, module);
    }
    // 浏览器AMD环境
    else if (typeof define === ‘function‘ && define[‘amd‘]) {
        define(factory);
    }
})(factory);

// 工厂函数
function factory(require, exports, module) {
    // codes here
    exports.build = function () {

    };
    ...
}