New Twiddle

components.l-o-l.js

import Ember from 'ember';
import one from '../templates/one';
import two from '../templates/two';

const { get } = Ember;

let tpls = {'one': one, 'two': two};

export default Ember.Component.extend({
  tpl: null,
  layout: Ember.computed('tpl', function() {
    return tpls[ get(this, 'tpl') ];
  })
});

controllers.application.js

import Ember from 'ember';

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

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>
{{l-o-l tpl='one'}}
{{l-o-l tpl='two'}}

templates.one.hbs

ONE!!11

templates.two.hbs

TWO!!!~

twiddle.json

{
  "version": "0.10.6",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.9.0",
    "ember-data": "2.9.0",
    "ember-template-compiler": "2.9.0",
    "ember-testing": "2.9.0"
  },
  "addons": {}
}