bubbling actions and closure actions

components.child-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  actions: {
    greet: function() {
      // I'm here just to bubble up the action
      console.log('child: greet');
      this.sendAction('greet');
    }
  }
});

components.grandchild-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  actions: {
    sayHello: function() {
      console.log('grandchild: sayHello');
      this.set('message', 'hi there!');
      this.sendAction('greet');
    }
  }
});

components.parent-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  actions: {
    greet: function() {
      console.log('parent: greet');
      this.set('message', 'I am your father.');
    }
  }
});

controllers.application.js

import Ember from 'ember';

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

templates.application.hbs

<h1>bubbling actions and closure actions</h1>

<br>
<br>

{{parent-component}}

{{outlet}}

<br>
<br>

<a href="http://emberjs.com/blog/2015/06/12/ember-1-13-0-released.html#toc_closure-actions">
  closure actions
</a>

templates.components.child-component.hbs

child: {{message}}
{{grandchild-component greet="greet"}}
{{yield}}

templates.components.grandchild-component.hbs

grandchild: {{message}}
<br>
<button {{action "sayHello"}}>
  greet
</button>
{{yield}}

templates.components.parent-component.hbs

<h2>Bubbling</h2>

parent: {{message}}
{{child-component greet="greet"}}

<h2>Closure action</h2>
parent: {{message}}
{{child-component greet=(action "greet")}}

twiddle.json

{
  "version": "0.11.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.11.0",
    "ember-data": "2.11.0",
    "ember-template-compiler": "2.11.0",
    "ember-testing": "2.11.0"
  },
  "addons": {}
}