Ember Data results into components

application.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName:'Ember Twiddle',
  model: "a"
});

application.template.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
{{my-foo items=model}}
<br>
<br>

my-foo.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  sanitizedItems: Ember.computed('items', function() {
    var items = this.get('items');
    if(!Array.isArray(items)) {
      return [items];
    } else {
      return items;
    }
  })
});

my-foo.template.hbs

<ul>
{{#each sanitizedItems as |x|}}
<li>{{x}}</li>
{{/each}}
</ul>

twiddle.json

{
  "version": "0.4.10",
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.13.9/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/1.13.11/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.13.9/ember-template-compiler.js"
  }
}