Ember Flatpickr Alt Input

controllers.application.js

import Ember from 'ember';
import moment from 'moment';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  date: moment().format(),
  enableFlatpickr1: false,
  enableFlatpickr2: true
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
<div>
Without Alt Format:
{{ember-flatpickr
    disabled=enableFlatpickr1
    onChange=null
    date=date
}}
{{input type="checkbox" name="enableFlatpickr1" checked=enableFlatpickr1}}
Disabled? {{enableFlatpickr1}}
</div>

<div>
With Alt Input:
{{ember-flatpickr
    altFormat='M d, Y'
    altInput=true
    disabled=enableFlatpickr2
    onChange=null
    date=date
}}
{{input type="checkbox" name="enableFlatpickr2" checked=enableFlatpickr2}}
Disabled? {{enableFlatpickr2}}
</div>
<br>
<br>

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-data": "2.12.1",
    "ember-flatpickr": "2.0.0",
    "ember-moment": "7.3.1"
  }
}