New Twiddle

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  isSleeping: function() {
    return this.get('state') === 'sleeping';
  },
  
  isNapping: function() {
    return this.get('state') === 'napping';
  },
  
  isAwake: function() {
  	return !(this.isSleeping() || this.isNapping());
  },
  
  actions: {
  	didReset: function() {
      this.set('state', 'awake');
		},
    
    didStartSleeping: function() {
      this.set('state', 'sleeping');
    },
    
    didStartNapping: function() {
      this.set('state', 'napping');
    }
  }
});

templates.application.hbs

current state: {{state}}<br>
{{#if isSleeping}}
state sleeping
{{else if isNapping}}
state napping
{{else}}
state awake
<button {{action "didStartSleeping"}}>Go to sleep</button>
<button {{action "didStartNapping"}}>Start napping</button>
{{/if}}
<br><button {{action "didReset"}}>Reset</button>

twiddle.json

{
  "version": "0.10.7",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.10.0",
    "ember-data": "2.10.0",
    "ember-template-compiler": "2.10.0",
    "ember-testing": "2.10.0"
  },
  "addons": {}
}