New Twiddle

application.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName:'Ember Twiddle',
  
  queryParams: ['sort'],
  
  sort: 'id',
  
  xsortedMessages: Ember.computed.sort('model', 'sort'),
  
  sortedMessages: Ember.computed('model', 'sort', function() {
    return this.get('model').sortBy(this.get('sort'));
  })
});

application.route.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
    return [
      {id: '1', body: 'Message'},
      {id: '2', body: 'Another message'},
      {id: '3', body: 'Yet another message'}
    ];
  }
});

application.template.hbs

{{link-to 'Root' 'application'}}

<br><br>

{{link-to 'Sort by body' (query-params sort='body')}}
{{link-to 'Sort by ID' (query-params sort='id')}}

<ul>
{{#each sortedMessages as |message|}}
<li>{{link-to message.body 'message' message}}</li>
{{/each}}
</ul>

{{outlet}}
<br>
<br>

router.js

import Ember from 'ember';
import config from './config/environment';

const Router = Ember.Router.extend({
  location: 'none'
});

Router.map(function() {
  this.route('message', {path: '/messages/:message_id'});
});

export default Router;

styles.app.css

a.active {
  font-weight: bold;
}

twiddle.json

{
  "version": "0.5.3",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "1.13.13",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.3.3/ember-data.js",
    "ember-template-compiler": "1.13.13"
  }
}