Ember Flatpickr Alt Input

controllers.application.js

import Ember from 'ember';
import moment from 'moment';
import { computed } from '@ember/object';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  date: moment(),
  altFormat: computed('date', function() {
    let date = this.get('date');
    let result = date.year() === 2018 ? "j M (h:iK)" : "j M (h:iK) Y";	// If not 2018, show year
    console.log(result);
    return result;
  }),
  
  actions: {
    dateChanged(dateArray) {
      this.set('date',moment(dateArray[0]));
    }
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
<div>
{{ember-flatpickr
    date=(moment-format date)
    altFormat=altFormat
    altInput=true
    onChange=(action 'dateChanged')
}}
</div>

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": "2.5.0",
    "ember-moment": "7.3.1"
  }
}