New Twiddle

application.controller.js

import Ember from 'ember';

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

application.template.hbs

<h1>Welcome to {{appName}}</h1>
{{level-one}}

level-one.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  actions: {
    submitClicked: function(){
      console.log('hi');
    }
  }
});

level-one.template.hbs

{{yield}}
1
{{level-two}}

level-two.component.js

import Ember from 'ember';

export default Ember.Component.extend({
});

level-two.template.hbs

{{yield}}
2
<button id="clear-completed" {{action "submitClicked"}}>Submit</button>

twiddle.json

{
  "version": "0.5.3",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.3.1/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.3.3/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember-template-compiler.js"
  }
}