Design Patterns : Mediator Pattern

boot.js

/**
 * @fileoverview The boot file to start or stop the modules
 * @author hwclass
 */
 
/** 
 * boot.js
 * This file is used to initialize the modules 
 */
 
'use strict';
 
//-----------------------------------------------------------
// Public
//-----------------------------------------------------------

Mediator.module.start('testModule');

//Mediator.module.stop('testModule');

Mediator.js

/**
 * @fileoverview The mediator object file
 * @author hwclass
 */
 
/** 
 * Mediator.js
 * This object is used to fetch needed configuration parameters 
 */
 
'use strict';
 
//-----------------------------------------------------------
// Public
//-----------------------------------------------------------

/**
 * Mediator object
 * @noparam
 */
var Mediator = (function () {

  /** @type {Array} */
   var MODULES = MODULES || [];

    /**
     * Module object
     * @param {String} name
     * @param {Function} context
     */
    var Module = function (name, context) {
      this.name = name;
      this.context = context;
    };

    /**
     * attachModule method
     * @param {Module} module
     */
    var attachModule = function (module) {
      MODULES.push(new Module(module.name, module.context));    
    };

    /**
     * startModule method
     * @param {String} moduleName
     */
    var startModule = function (moduleName) {
      for (var counter = 0, len = MODULES.length; counter < len; counter++) {         
        if (MODULES[counter]['name'] === moduleName) {
          MODULES[counter]['context']();
        }
      }
    };

    /**
     * stopModule method
     * @param {String} moduleName
     */
    var stopModule = function (moduleName) {
      for (var counter = 0, len = MODULES.length; counter < len; counter++) {         
        if (MODULES[counter]['name'] === moduleName) {
          MODULES[counter] = null;
        }
      }
    };

    return {
      module : {
        attach : attachModule,
        start : startModule,
        stop : stopModule
      }
    }

})();

testView.html

<!--
  testView.html
  The base html file to register the module into mediator's collection.
-->

<script type="text/javascript">
  Mediator.module.attach({name : 'testModule', context : function () {
    console.log('testModule initialized');
  }});
</script>