Component Lifecycle Mut

components.x-child.js

import Ember from 'ember';

export default Ember.Component.extend({
  init() {
    this._super(...arguments);
    console.log('\ninit', this.get('vInit'));
    this.set('vInit', 99);
  },
  
  didReceiveAttrs() {
    this._super(...arguments);
    console.log('\ndidReceiveAttrs', this.get('vDidReceiveAttrs'));
    this.set('vDidReceiveAttrs', 99);
  },
  
  willRender() {
    this._super(...arguments);
    console.log('\nwillRender', this.get('vWillRender'));
    this.set('vWillRender', 99);
  },
  
  didInsertElement() {
    this._super(...arguments);
    //console.log('\ndidInsertElement', this.get('vDidInsertElement'));
    //this.set('vDidInsertElement', 99);
  },
  actions: {
    inc(prop) {
      this.incrementProperty(prop);
    }
  }
});

controllers.application.js

import Ember from 'ember';

const {
  Controller,
  observer
} = Ember;

export default Controller.extend({
  appName: 'Ember Twiddle',
  vInit: 1,
  vDidReceiveAttrs: 2,
  vWillRender: 3,
  vDidInsertElement: 4,
  
  oInit: observer('vInit', function() {
    console.log('init changed value', this.get('vInit'));
  }),
  
  oDidReceiveAttrs: observer('vDidReceiveAttrs', function() {
    console.log('didReceiveAttrs changed value', this.get('vDidReceiveAttrs'));
  }),
  
  oWillRender: observer('vWillRender', function() {
    console.log('willRender changed value', this.get('vWillRender'));
  }),
  
  oDidInsertElement: observer('vDidInsertElement', function() {
    console.log('didInsertElement changed value', this.get('vDidInsertElement'));
  })
});

templates.application.hbs

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

{{x-child
	vInit=vInit
  vDidReceiveAttrs=vDidReceiveAttrs
  vWillRender=vWillRender
  vDidInsertElement=vDidInsertElement}}
  
<ul>
<li>{{vInit}}</li>
<li>{{vDidReceiveAttrs}}</li>
<li>{{vWillRender}}</li>
<li>{{vDidInsertElement}}</li>
</ul>

templates.components.x-child.hbs

<button {{action "inc" "vInit"}}>
Increment vInit
</button>

twiddle.json

{
  "version": "0.10.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.6.0",
    "ember-data": "2.6.1",
    "ember-template-compiler": "2.6.0"
  },
  "addons": {}
}