New Twiddle

components.a-ye.js

import Ember from 'ember';
import B from './b-ee';
import C from './c-ee';

Ember.Component.extend = function(params) {
  function ExtendedB(mixins, arguments || params) {
    B.call(this, mixins, arguments);
  }
  ExtendedB.prototype = Object.create(C.prototype);
  return ExtendedB;
};

export default Ember.Component.extend({
  
  a: "property from Aye"
  
});

components.b-ee.js

import Ember from 'ember';

export default Ember.Component.extend({
  
  b: "property from Bee"
  
});

components.c-ee.js

import Ember from 'ember';

export default Ember.Component.extend({
  
  c: "property from Cee"
  
});

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>
{{a-ye}}
<br>
<br>

templates.components.a-ye.hbs

{{yield}}

templates.components.b-ee.hbs

{{yield}}

templates.components.c-ee.hbs

{{yield}}

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": {}
}