Yield example

application.controller.js

import Ember from 'ember';

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

application.template.hbs

<h2>Standard Form</h2>
{{x-parent}}

<h2>Yield Form</h2>
{{#x-parent obj as |prop1 do1 do2|}}
<ul>
  <li><a href {{action do1}}>Log 1</a></li>
  <li><a href {{action do2}}>Log 2</a></li>
  <li>Bound prop: {{prop1}}</li>
</ul>
{{/x-parent}}
{{outlet}}
<br>
<br>

twiddle.json

{
  "version": "0.4.16",
  "EmberENV": {
    "FEATURES": {}
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.1.0/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.1.0/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.1.0/ember-template-compiler.js"
  }
}

x-parent.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  prop1: 'foo',
  actions: {
    do1: function(){
    	console.log('1');
    },
    do2: function(){
    	console.log('2');
    }
  }
});

x-parent.template.hbs

{{#if hasBlockParams}}
	{{yield prop1 (action 'do1') (action 'do2')}}
{{else}}
  <ul>
    <li><a href {{action 'do1'}}>Log 1</a></li>
    <li><a href {{action 'do2'}}>Log 2</a></li>
    <li>Bound prop: {{prop1}}</li>
  </ul>
{{/if}}