New Twiddle

controllers.application.js

import Ember from 'ember';
import { task, timeout, waitForProperty } from 'ember-concurrency';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  lol: false,

  foo: task(function * () {
    this.set('lol', false);
    let val = yield waitForProperty(this, 'lol');
    return val;
  }),
  
  actions: {
    setLolToTrue() {
      this.set('lol', Math.random());
    }
  }
});

templates.application.hbs

<h1>Welcome to ember-concurrency</h1>

<p>
Use this twiddle as a jumping off point for your ember-concurrency
experiments / bug reports.
</p>

<p>
  <button onclick={{perform foo}}>
    Perform foo
  </button><br>
</p>

<p>
  state: {{foo.state}}<br>
  last.value: {{foo.last.value}}
</p>

<p>
<button onclick={{action 'setLolToTrue'}}>
  Set Lol to true
</button>
</p>

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-concurrency": "latest"
  }
}