New Twiddle

components.filter-items.js

import Ember from 'ember';

export default Ember.Component.extend({
  filteredItems: Ember.computed('items', function () {
    // Imagine more than just one filter here
    return this.get('items').filterBy('showMe', true)
  }),
  
  sortDirection: ['lastUpdated:desc', 'createdAt:desc'],
  sortedItems: Ember.computed.sort('filteredItems', 'sortDirection'),
  
  afterSortedItems: Ember.computed('sortedItems', function () {
    // Doesn't get triggered!
    console.log('Sorted items', this.get('sortedItems'))
    return this.get('sortedItems')
  })
});

controllers.application.js

import Ember from 'ember';

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

router.js

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

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

Router.map(function() {
});

export default Router;

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model () {
    let now = new Date()
    return [{
      id: 1,
      name: 'This is a test',
      createdAt: now.setTime(now.getTime() + 3600),
      lastUpdated: now.setTime(now.getTime() + 3600),
      showMe: true
    },{
      id: 2,
      name: 'This is another test (not seen)',
      createdAt: now.setTime(now.getTime() + 3600),
      lastUpdated: now.setTime(now.getTime() + 3600),
      showMe: false
    },{
      id: 3,
      name: 'This is one last test',
      createdAt: now.setTime(now.getTime() + 3600),
      lastUpdated: now.setTime(now.getTime() + 3600),
      showMe: true
    },{
      id: 4,
      name: 'Actually this is the last test',
      createdAt: now.setTime(now.getTime() + 3600),
      lastUpdated: now.setTime(now.getTime() + 3600),
      showMe: true
    }]
  }
});

templates.application.hbs

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

{{filter-items items=model}}

<br>
<br>

templates.components.filter-items.hbs

{{#each afterSortedItems as |item|}}
  <div>{{item.id}} {{item.name}} ({{item.createdAt}} - {{item.lastUpdated}})</div>
{{/each}}

twiddle.json

{
  "version": "0.11.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.10.2",
    "ember-data": "2.11.0",
    "ember-template-compiler": "2.10.2",
    "ember-testing": "2.10.2"
  },
  "addons": {}
}