Nesting Services

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  myService: Ember.inject.service('nested-folder/my-service'),
  appName: 'Ember Twiddle',
  
  actions: {
  	testService() {
    	this.get('myService').myFunction();
    }
  }
});

services.nested-folder.my-service.js

import Ember from 'ember';

export default Ember.Service.extend({
  myFunction() {
  	alert('service works!');
  }
});

styles.app.css

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

templates.application.hbs

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

<button {{action 'testService'}}>Test Nested Service Folder</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": "2.9.0",
    "ember-data": "2.9.0",
    "ember-template-compiler": "2.9.0",
    "ember-testing": "2.9.0"
  },
  "addons": {}
}