Definitions Refactor

controllers.application.js

import Ember from 'ember';

const objectOneDefinition = {
  name: 'foo',
  needs: ['service:test'],
  testFunc() {
    return `${this.name} + ${this.get('test.name')}`;
  }
};

const objectTwoDefinition = {
  name: 'bar',
  needs: ['service:test'],
  testFunc() {
    return `${this.name} + ${this.get('test.name')}`;
  }
};

export default Ember.Controller.extend({
  appName: 'Ember TEST',
  test: Ember.inject.service(),
  object: Ember.computed(function() {
    let definition = Ember.$.extend({}, objectOneDefinition);
    return this.get('test').definitionFactory(definition);
  }).volatile()
});

initializers.base-definition

import Ember from 'ember';

export function initialize(application) {
	application.register('object:definition', Ember.Object.extend({
      init() {
        this._super(...arguments);
        if (!Ember.isEmpty(this.get('needs'))) {
          this.get('needs').forEach((toBeInjected) => {
            let { factoryType, name } = toBeInjected.split(':');
            Ember.inject.service(name);
          });
        }
      }
    }),
    { instantiate: false });
}

export default {
	name: 'base-definition',
	initialize: initialize
};

services.test.js

import Ember from 'ember';

const { getOwner, Service } = Ember;

export default Service.extend({
  name: 'Test Service',
  definitionFactory(definition) {
    let baseDefinition = getOwner(this).lookup('object:definition');
		return baseDefinition.create(definition);
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<h2>{{object.name}}</h2>
<br>
<br>
{{outlet}}
<br>
<br>

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-data": "2.12.1"
  }
}