didRender bubbling 2

components.inner-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  isOpen: false,
  
  init() {
    this._super(...arguments);
    
    setTimeout(() => {
      console.log('3 seconds later...');
      this.set('isOpen', true);
    }, 3000);
  },
  
  didRender() {
    console.log(`didRender: ${this._debugContainerKey}`);
  },
});

components.outer-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  didRender() {
    console.log(`didRender: ${this._debugContainerKey}`);
  },
});

controllers.application.js

import Ember from 'ember';

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

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>
{{outer-component}}

templates.components.inner-component.hbs

Inner isOpen = {{isOpen}}

templates.components.outer-component.hbs

Outer
{{inner-component}}

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"
  }
}