New Twiddle

controllers.application.js

import Ember from 'ember';

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

models.dupe.js

import Model from 'ember-data/model';
import attr from 'ember-data/attr';

export default Model.extend({
  message: attr('string'),
  posted: attr('date', {
    defaultValue() { return new Date(); }
  }),
  user: attr('string')
});

routes.my-route.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
    this.store.createRecord('dupe', {
      "message": "hello world one",
      "posted": "2016-06-05T10:11:01.473Z",
      "user": "v3ss0n"
    }).save()
    return this.store.findAll("dupe")
  }
});

templates.application.hbs

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

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": "canary",
    "ember-template-compiler": "2.6.0"
  },
  "addons": {}
}