define module

moduleWrap.js

// js库模版
// 可直接被引用或者AMD、CMD方式加载
;(function(root, factory) {
    if (typeof module !== 'undefined' && module.exports) {// CommonJS
        module.exports = factory();
    } else if (typeof define === 'function' && define.amd) {// AMD / RequireJS
        define(factory);
    } else {
        root.Promise = factory.call(root);
    }
}(this, function() {
    'use strict';

    function Promise(resolver) {
        console.log('promise');

        return this;
    }

    Promise.prototype.then = function(resolve, reject) {}

    return Promise;
}));