ember-concurrency-demo

components.my-component.js

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

export default Ember.Component.extend({
  task: Ember.computed('query', function() {
    return this.get('fetchData').perform(this.query);
  }),

  fetchData: task(function*(query) {
    yield timeout(3000);
    return query;
  })
});

controllers.application.js

import Ember from 'ember';

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

templates.application.hbs

<h1>Welcome to {{appName}}</h1>

{{#my-component query="hello" as |task|}}
	<p>state: {{task.state}}</p>
  <p>value: {{if task.value task.value "-"}}</p>
{{/my-component}}

templates.components.my-component.hbs

{{yield task}}

twiddle.json

{
  "version": "0.13.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.16.2",
    "ember-template-compiler": "2.16.2",
    "ember-testing": "2.16.2"
  },
  "addons": {
    "ember-data": "2.16.3",
    "ember-concurrency": "0.8.17"
  }
}