namespace.js

(function (root, factory) {
  if (typeof define === 'function' && define.amd) {
    define(['injector'], factory);
  } else if (typeof exports === 'object') {
    module.exports = factory(require('./injector'));
  } else {
    root.namespace = factory(root.Injector);
  }
}(this, function (Injector) {
  var spaces = {};
  return function Namespace(name, ns) {'use strict';
    if(spaces[name]) { return spaces[name]; }
    if(!this) return  new Namespace(name, ns);
    Injector.call(this, ns && ns.map(function(ns) {
      return spaces[ns];
    }));
    var modules = [], promise;
    this.module = function(name, deps) {
        return modules.push(this.define(name, deps, deps.pop())), this;
    };
    this.then = function(s,e) {
        return (promise ||(promise = Promise.all(modules))).then(s,e);
    };
    this.success = this.then;
    this.catch = this.then.bind(this, null);
    spaces[name] = this;
  };
}));