umd.js

/*global define */
'use strict';
(function(root, factory) {
    // Universal module definition
    if (typeof define === 'function' && define.amd) {
        define([
            'react',
            'backbone',
            'underscore'
        ], factory);
    } else if (typeof module !== 'undefined' && module.exports) {
        module.exports = factory(
            require('react'),
            require('backbone'),
            require('underscore')
        );
    } else {
        root.WebApp = factory(
            root.Backbone,
            root.React,
            root._
        );
    }
}(this, function(Backbone, React, _) {
    var WebApp = {};
    return WebApp;
}));