MessageBus yang di ekstrak dari MarionetteJS

messageBus.js

define(function(require) {
    'use strict';

    var Backbone = require('backbone'),
        Wreqr = require('backbone.wreqr'),
        _ = require('underscore');

    function MB() {
        this.vent = new Wreqr.EventAggregator();
        this.commands = new Wreqr.Commands();
        this.reqres = new Wreqr.RequestResponse();
    }

    _.extend(MB.prototype, Backbone.Events, {
        execute: function() {
            this.commands.execute.apply(this.commands, arguments);
        },

        request: function() {
            return this.reqres.request.apply(this.reqres, arguments);
        },

        close: function() {
            this.commands.removeHandler();
            this.reqres.removeHandler();
            this.vent.off();
        }
    });

    var mb = new MB();

    return mb;
});