New Twiddle

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',

  init() {
  	this._super(...arguments);
    this.set('options', [true, false]);
    this.set('selectedOptions', true);
  }
});

templates.application.hbs

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

{{#power-select
  options=options
  selected=selectedOption
  onchange=(action (mut selectedOption)) as |option|
}}
  {{option}}
{{/power-select}}

<br>
{{outlet}}
<br>
<br>

twiddle.json

{
  "version": "0.15.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.0.0",
    "ember-template-compiler": "3.0.0",
    "ember-testing": "3.0.0"
  },
  "addons": {
    "ember-data": "3.4.2",
    "ember-power-select": "2.3.0"
  }
}