New Twiddle

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
    session: Ember.inject.service('my-service'),
  	present:Ember.computed.reads('session.isPresent'),
  appName: 'Ember Twiddle'
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  session: Ember.inject.service('my-service'),
  model(){ 
	return this.get('session').isPresent;
}
});

services.my-service.js

import Ember from 'ember';

export default Ember.Service.extend({
  isPresent:[1,2,3,4],
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{#each model as |item|}}
{{item}}
{{/each}}
<br><br><br>


{{outlet}}
<br>
<br>

twiddle.json

{
  "version": "0.10.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.6.0",
    "ember-data": "2.6.1",
    "ember-template-compiler": "2.6.0"
  },
  "addons": {}
}