New Twiddle

components.log-hooks.js

import Ember from 'ember';

function log(component, string) {
  let node = $('<p>').text(`${component.get('label')} - ${string}`);
  node.appendTo('body');
}

export default Ember.Component.extend({
  init() {
    this._super(...arguments);
    log(this, 'init');
  },
  didUpdateAttrs() {
    log(this, 'didUpdateAttrs');
  },
  didReceiveAttrs() {
    log(this, 'didReceiveAttrs');
  },
  willUpdate() {
    log(this, 'willUpdate');
  },
  willRender() {
    log(this, 'willRender');
  },
  didInsertElement() {
    log(this, 'didInsertElement');
  },
  didRender() {
    log(this, 'didRender');
  }
});

controllers.application.js

import Ember from 'ember';

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

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<button onclick={{action (action toggleProperty 'a')}}>toggle a</button>
<br>
{{#log-hooks label='top'}}
  {{#log-hooks label='middle-a'}}
  {{/log-hooks}}
  {{#log-hooks label='middle-b'}}
    {{#log-hooks a=a label='bottom'}}
    {{/log-hooks}}
  {{/log-hooks}}
{{/log-hooks}}
<br>
<br>

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"
  }
}