acha-framework/src/frontend/core/scripts/directives/waiting/controller.js

is a modular framework on both client (angular.js) and server (node.js) side, it provides security, orm, ioc, obfuscation and ...

(function ($, angular, underscore, window, document, undefined) {
  'use strict';
  angular.module('frontend.directives').directive('waiting', [function () {
      return {
        restrict: 'E',
        replace: true,
        templateUrl: '/templates/framework/directives/waiting/template.html'
      };
    }]);
}(jQuery, angular, _, window, document));