Product

application.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName:'Ember Twiddle'
});

application.route.js

import Ember from 'ember';

export default Ember.Route.extend({
  model: function(){
    return {name: "hello"}
  }
});

application.template.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{model.name}}
<br>
<br>

initializers.router.js

import Router from 'demo-app/router';
import Ember from 'ember';

window.addEventListener('message', function(m) {
  console.log(m);
});
window.parent.postMessage('boo','http://localhost:4200');
Router.reopen({
  updateUrlBar: Ember.on('didTransition', function() {
    window.parent.postMessage('boo','http://localhost:4200'); 
  })
});

export default {
  name: 'router',
  initialize: function() {}
};

twiddle.json

{
  "version": "0.4.16",
  "EmberENV": {
    "FEATURES": {}
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.1.0",
    "ember-data": "2.1.0",
    "ember-template-compiler": "2.1.0",
    "active-model-adapter": "2.0.2",
    "ember-data-fixture-adapter": "1.13.0"
  }
}