Test enqueue promises

controllers.application.js

import Ember from 'ember';

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

routes.application.js

import Ember from 'ember';

Ember.RSVP.queue = (promises) => {
	return promises.reduce((previous, current) => {
    	return () => previous().then(current);
    }, () => Ember.RSVP.resolve())();
};

export default Ember.Route.extend({
  
  myPromise() {
    var result = '';
    var p = (text) => {
      return () => new Ember.RSVP.Promise((resolve, reject) => {
        var time = Math.round(Math.random()*1000);
      	setTimeout(() => {
          console.log(text, time);
      		result += `<li>${text}</li>`;
          resolve(result);
        }, time);
      });
    };
    
  	var promises = [
    	p(1),
    	p(2),
    	p(3),
    	p(4),
    	p(5),
    ];
    
    return Ember.RSVP.queue(promises);
  },
  
  model() {
   	return this.myPromise().then((result) => {
      console.log('fin!');
			result+= `<li>fin!</li>`;
      return result;
    });
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>
<p>Results</p>
<ul>
{{{model}}}
</ul>

twiddle.json

{
  "version": "0.13.0",
  "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"
  }
}