New Twiddle

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  init() {
    this._super(...arguments);
    
    // Simulate loading data in a route
    this.store.push({
      data: [
        { type: 'user', id: '1', attributes: { name: 'mmun' } },
        { type: 'user', id: '2', attributes: { name: 'wycats' } },
      ]
    });
    
    this.set('users', [
      this.store.peekRecord('user', '1'),
      this.store.peekRecord('user', '2')
    ]);
    
		// Simulate data getting pushed via a socket or whatever.
    Ember.run.later(() => {
      this.store.push({
        data: [
          { type: 'user', id: '2', attributes: { name: 'tomdale' } },
        ]
      });
    }, 1000);
  },
  
  loudUserNames: Ember.computed('users.@each.name', function() {
    let users = this.get('users');
    return users.map(user => user.get('name').toUpperCase());
  })
});

models.user.js

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

export default Model.extend({
  name: attr()
});

templates.application.hbs

<ul>
  {{#each loudUserNames as |name|}}
    <li>{{name}}</li>
  {{/each}}
</ul>

twiddle.json

{
  "version": "0.13.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.16.2",
    "ember-template-compiler": "2.16.2",
    "ember-testing": "2.16.2"
  },
  "addons": {
    "ember-data": "2.16.3"
  }
}