Glimmer2 Attrs changes

components.example-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  actions: {
   	checkAttrs() {
			alert(this.attrs.foo);
			alert(this.attrs.bar);
			alert(this.attrs.baz);
    }
  }
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  actions: {
    someAction() {
     	alert('cool'); 
    }
  }
});

templates.application.hbs

<h1>Welcome to Glimmer2</h1>
<br>
{{example-component
  foo=123
  bar=(readonly 'meow')
  baz=(action 'someAction')
}}
<br>

templates.components.example-component.hbs

<h2>Component</h2>

<button onclick={{action 'checkAttrs'}}>Check Attrs</button>

<h3> Non attrs </h3>
{{foo}}<br />
{{bar}}<br />
{{baz}}<br />
<button onclick={{baz}}>Example Button</button>
<h3> Attrs </h3>
{{attrs.foo}}<br />
{{attrs.bar}}<br />
{{attrs.baz}}<br />
<button onclick={{attrs.baz}}>Example Button</button>

twiddle.json

{
  "version": "0.10.6",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.10.0-beta.2",
    "ember-data": "2.9.0",
    "ember-template-compiler": "beta",
    "ember-testing": "beta"
  },
  "addons": {}
}