New Twiddle

components.my-component.js

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

export default Ember.Component.extend({
  someTask: task(function * (id) {
    this.sendAction('log', 'start', id)
    yield timeout(2000)
    this.sendAction('log', 'done', id)
  }).drop()
})

controllers.application.js

import Ember from 'ember'

const {get, set} = Ember

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  init () {
    this._super(...arguments)
    set(this, 'logs', [])
  },
  actions: {
    log (type, message) {
      console.log('hi')
      get(this, 'logs').pushObject({type, message})
    },
    clearLogs () {
      set(this, 'logs', [])
    }
  }
})

styles.app.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}

.start {
  color: coral;
}

.done {
  color: blue;
}

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
add alternative implementation with services and routes
{{my-component componentName="component1" log="log"}}
<br>
{{my-component componentName="component2" log="log"}}
<br>
<br>
<h3>Logs</h3>
<button {{action 'clearLogs'}}>Clear Logs</button>
<ol id="task-output">
 {{#each logs as |logItem|}}
 	<li class="{{logItem.type}}">{{logItem.type}} {{logItem.message}}</li>
 {{/each}}
</ol>

templates.components.my-component.hbs

<button onclick={{perform someTask componentName}}>Run task for: {{componentName}}</button>

twiddle.json

{
  "version": "0.10.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.6.0",
    "ember-data": "2.6.1",
    "ember-template-compiler": "2.6.0"
  },
  "addons": {
    "ember-concurrency": "latest"
  }
}