text: 
  (function() {
    'use strict';
  
    // class defintion 
    class AboutCtrl{
      constructor(){
        // example of building an object 
        this.angularVersion = {
          // @ts-ignore
          number: angular.version.full,
          // @ts-ignore
          codename: angular.version.codeName,
          // using an ES6 string literal 
          // @ts-ignore
          shortForm: `${angular.version.full} - "${angular.version.codeName}"`
        }
       
        this.name = this.loadTitle();
        this.version = this.angularVersion;
      }
  
      // just a function example
      loadTitle() {
        return 'Dashboard About View';
      }
    }
    // @ts-ignore
    angular.module('plunker').controller('About.Ctrl', AboutCtrl);
  
  }());
  