Ember-keyboard issue

components.text-area.js

import Ember from 'ember';
import { EKMixin, keyDown as keyDownEvent } from 'ember-keyboard';

export default Ember.TextArea.extend(EKMixin, {
  keyDown(e) {
    console.log('normal keydown');
  },
  
  datKeyDown: Ember.on(keyDownEvent('Enter'), function() {
    console.log('keydown triggered from on');
  })
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

templates.application.hbs

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

{{text-area}}
{{text-area}}

templates.components.text-area.hbs

{{yield}}

twiddle.json

{
  "version": "0.10.6",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.9.0",
    "ember-data": "2.9.0",
    "ember-template-compiler": "2.9.0",
    "ember-testing": "2.9.0"
  },
  "addons": {
    "ember-keyboard": "*"
  }
}