Helper with ComputeProperty - Component version

components.translate-component.js

import Ember from 'ember';

export default Ember.Component.extend({
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  robotName: '',
  robots: Ember.ArrayProxy.create({ content: Ember.A([
    { name: "Mazinger Z" },
    { name: "Lady Electric" }
  ])}),
  actions: {
    changeRobotName() {
      this.set('robots.firstObject.name', this.get('robotName'));
      //this.notifyPropertyChange('robots');
    }
  }
});

templates.application.hbs

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

{{input value=robotName}}
<button {{action 'changeRobotName'}}>Change Robot Name</button> <br />

<h2>Robots list:</h2>
{{#each robots as |robot|}}
  <h3>{{robot.name}}</h3>
{{/each}}

<h2>Robots list with translator:</h2>
{{#each (translate-helper robots) as |robot|}}
  <h3>{{robot.name}}</h3>
{{/each}}

<br>
<br>

templates.components.translate-component.hbs

{{yield}}

twiddle.json

{
  "version": "0.8.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.5.1",
    "ember-data": "2.5.2",
    "ember-template-compiler": "2.5.1"
  }
}