New Twiddle

components.my-helper.js

import Ember from 'ember';

export default Ember.Component.extend({
  config: undefined,
  
  init() {
  	this._super(...arguments);
    
    if (!this.get('config')) {
    	throw Ember.assert('Uh oh config not defined');
    }
  }
});

controllers.application.js

import Ember from 'ember';

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

templates.application.hbs

{{my-helper}}

templates.components.my-helper.hbs

The value of `config` is: {{config}}

twiddle.json

{
  "version": "0.11.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.11.0",
    "ember-data": "2.11.0",
    "ember-template-compiler": "2.11.0",
    "ember-testing": "2.11.0"
  },
  "addons": {}
}