New Twiddle

application.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName:'Stephanie Hobson App',
  
	data: {
          id: 1,
            slug: 'WD',
            name: {
              en: 'Working Draft',
              de: 'Arbeitsentwurf',
              fr: 'Version de travail',
              ja: '草案',
              ru: 'Рабочий черновик'
            }
        }
});

application.template.hbs

<h1>Welcome to the {{appName}}</h1>

{{title-name name=data.name lang='en'}}

{{outlet}}

title-name.component.js

import Ember from 'ember';
var { computed, get } = Ember;

export default Ember.Component.extend({
  translationCount: computed('name', function() {
  	var name = get(this, 'name');
		return Object.keys(name).length;
  })
});

title-name.template.hbs

{{yield}}

{{translationCount}}

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"
  }
}