/** * Module definition and dependencies */angular.module('App.Child', [])/** * Component */.component('child', {  templateUrl: 'child.html',  controller: 'ChildCtrl',})/** * Controller */.controller('ChildCtrl', function($controller, $parentDep) {  //Get controllers  const $ctrl = this;  const $base = $controller('ParentCtrl', {$parentDep});  //Extend  angular.extend($ctrl, $base);  /**   * On init   */  this.$onInit = function() {    //Call parent init    $base.$onInit.call(this);    //Do other stuff    this.somethingElse = true;  };});