Stackoverflow Question#43112479

components.my-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  selected: {name: 'All', id:0},
  computedOptions: Ember.computed('options.[]', function(){
    return this.get('options').slice().insertAt(0, this.get('selected')); 
  })
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  options: [{id:1, name:"Hot Gas Path (HGP)"},{id:2, name:"Combustor (CMB)"},{id:3, name:"In Service (INS)"}]
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
{{my-component options=options}}
<br>
<br>

templates.components.my-component.hbs

{{yield}}
{{#power-select
  selected=selected
  options=computedOptions
  onchange=(action (mut selected))
  searchField="name"
  as |item|
}}
  {{item.name}}
{{/power-select}}

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-power-select":"1.6.1"
  }
}