New Twiddle

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  content: [
    {
      position: 1,
      phase: {
        position: 1
      }
    },
    {
      position: 2,
      phase: {
        position: 1
      }
    },
    {
      position: 1,

      phase: {
        position: 2
      }
    }
  ],
  phaseSorting: ["phase.position", "position"],
  sorted: Ember.computed.sort('content', 'phaseSorting'),
  
  init() {
    Ember.run.later( () =>{
      Ember.set(this.get('content')[1], 'phase.position', 4)
    }, 2000)
  }
  
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>

{{#each sorted as |i|}}
<p>
  phase.position: {{i.phase.position}}<br>
  position: {{i.position}}
</p>
{{/each}}

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1"
  }
}