FilterBy for Kevin

controllers.application.js

import Ember from 'ember';

var people = [{name: 'Miguel', isActive: false}, {name: 'Kevin', isActive: true}];
var resolve;
var promise = new Ember.RSVP.Promise(function (reject, resolve) {
  resolve = resolve;
});
resolve();
export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  people: people,
  usingMacroForPromise: Ember.computed.filterBy('promise', 'isActive', true),
  usingCP: Ember.computed('people.@each.isActive', function () {
    return people.filterBy('isActive');
  }),
  actions: {
    resolve() {
      resolve();
    }
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<button action={{resolve}}>Resolve</button>

<br>
<br>
<h2>Everyone</h2>
<ul>
{{#each people as |person|}}
	<li>{{person.name}}</li>
{{/each}}
</ul>
<h2>CP</h2>
<ul>
{{#each usingMacroForPromise as |person|}}
	<li>{{person.name}}</li>
{{/each}}
</ul>
<h2>Macro</h2>
<ul>
{{#each usingCP as |person|}}
	<li>{{person.name}}</li>
{{/each}}
</ul>
<br>
<br>

twiddle.json

{
  "version": "0.8.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.5.1",
    "ember-data": "2.5.2",
    "ember-template-compiler": "2.5.1"
  }
}