New Twiddle

controllers.application.js

import Ember from 'ember';

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

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<label>{{input type="checkbox" checked=lol}} LOL</label>
<p>(Try to check this and then uncheck it)</p>
<hr>
{{#foo-bar lol=lol as |fooBar|}}
  {{fooBar.baz}}
  
  <hr>
  
  {{#with fooBar.baz as |baz|}}
    {{baz}}
  {{/with}}
{{/foo-bar}}
<br>
<br>

templates.components.foo-bar-baz.hbs

foo-bar-baz

templates.components.foo-bar.hbs

{{yield (hash baz=(if lol "lol" (component "foo-bar-baz")))}}

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": {}
}