https://stackoverflow.com/questions/47601560/emberjs-component-doesnt-rerender-component-to-update-fullcalendar

controllers.application.js

import Ember from 'ember';

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

router.js

import Ember from 'ember';
import config from './config/environment';

const Router = Ember.Router.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
  this.route('events');
  this.route('events', function () {
    //by default below route will be created in runtime.
    //this.route('index',{path: '/'}); 
    this.route('new');
 });
});

export default Router;

routes.events.index.js

import Ember from 'ember';

export default Ember.Route.extend({
  model(){
    console.log('events.index');
  }
});

routes.events.js

import Ember from 'ember';

export default Ember.Route.extend({
  model(){
    console.log('events');
  }
});

routes.events.new.js

import Ember from 'ember';

export default Ember.Route.extend({
  model(){
    console.log('events.new');
  }
});

templates.application.hbs

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

templates.events.hbs

events
{{outlet}}

templates.events.index.hbs

events.index
{{outlet}}

templates.events.new.hbs

events.new
{{outlet}}

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1"
  }
}