Component: UI Hooks (route template `didInsertElement`)

components.ui-hooks.js

import Ember from 'ember';

const { get } = Ember;

export default Ember.Component.extend({
  'did-insert'() {},
  'will-destroy'() {},
  
  didInsertElement() {
    this._super(...arguments);
   	get(this, 'did-insert')(); 
  },
  
  willDestroyElement() {
  	this._super(...arguments);
  	get(this, 'will-destroy')(); 
	}
});

controllers.about.js

import Ember from 'ember';

export default Ember.Controller.extend({
  actions: {
    onInsert() {
      console.log('inserting');
    },
   	onDestroy() {
    	console.log('destroying');
  	}
  }
});

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('about');
});

export default Router;

styles.app.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}

templates.about.hbs

{{ui-hooks
		did-insert=(action 'onInsert')
    will-destroy=(action 'onDestroy')}}

<h3>About</h3>

<p>Hello from the about page</p>

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<nav>
  {{#link-to 'index'}}Home{{/link-to}} |
  {{#link-to 'about'}}About{{/link-to}}
</nav>

<br>

<p>
	NOTE: This is a great strategy to lazily fetch and render from an Ember Concurrency task inside a controller. See the following <a href="https://embermap.com/video/component-hooks-at-the-route-level">Embermap Video</a> for more information
</p>

{{outlet}}

templates.index.hbs

<h3>Index</h3>

<p>Hello from the index page</p>

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"
  }
}