New Twiddle

controllers.application.js

import Ember from 'ember';

export default class MyController extends Ember.Controller {
  constructor() {
    super({
      appName: 'Ember Twiddle'
    });
    console.log(this._debugContainerKey);
    console.dir(this);
  }
  
  static reopen(props) {
    for (let key in props) {
      this.prototype[key] = props[key];
    }
  }
  
  static extend(props) {
    class Factory extends this {}
    for (let key in props) {
      Factory.prototype[key] = props[key];
    }
    return Factory;
  }
  
  static create() {
    return new this(...arguments);
  }
}

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>

twiddle.json

{
  "version": "0.10.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.6.0",
    "ember-data": "2.6.1",
    "ember-template-compiler": "2.6.0"
  },
  "addons": {}
}