// 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 () {    };    ...}