New Twiddle

controllers.application.js

import Ember from 'ember';

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

helpers.weekday-state.js

import Ember from 'ember';

export function weekdayState([model], namedArgs) {
  return model.findBy('id', namedArgs.weekDay).get('state');
}

export default Ember.Helper.helper(weekdayState);

routes.index.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
    let monday = Ember.Object.create({
      id: 1,
      day: 0,
      state: 0
    });
		let tuesday = Ember.Object.create({
      id: 2,
      day: 1,
      state: 1
    });

		return [monday, tuesday];
  },
});

templates.application.hbs

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

templates.index.hbs

Hello

{{#each model as |weekday|}}
	{{weekday-state model weekDay=weekday.id}}
{{/each}}

twiddle.json

{
  "version": "0.13.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.16.2",
    "ember-template-compiler": "2.16.2",
    "ember-testing": "2.16.2"
  },
  "addons": {
    "ember-data": "2.16.3"
  }
}