Template Inheritance

components.my-child.js

import Parent from './my-parent';

export default Parent.extend({
});

components.my-parent.js

import Ember from 'ember';
import layout from '../templates/components/my-parent';

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

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>
{{my-parent}}
<hr />
{{my-child}}
<br>
<br>

templates.components.my-parent.hbs

<h1>Parent</h1>
{{yield}}

twiddle.json

{
  "version": "0.11.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.11.0",
    "ember-data": "2.11.0",
    "ember-template-compiler": "2.11.0",
    "ember-testing": "2.11.0"
  },
  "addons": {}
}