ember-i18n-injector

controllers.application.js

import Ember from 'ember';

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

instance-initializers.component-route-i18n-injector.js

import Ember from 'ember';

export function initialize(appInstance) {

  let i18n = appInstance.lookup('service:i18n');
  Ember.Component.reopen({
    i18n: i18n
  });
  Ember.Controller.reopen({
    i18n: i18n
  });
}

export default {
  name: 'component-route-i18n-injector',
  initialize
};

router.js

import Ember from 'ember';
import config from './config/environment';

const Router = Ember.Router.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
  this.route('my-route',{path:'/my-route'});
  this.route('my-route2',{path:'/my-route2'});
});

export default Router;

routes.my-route.js

import Ember from 'ember';

export default Ember.Route.extend({
});

routes.my-route2.js

import Ember from 'ember';

export default Ember.Route.extend({
});

templates.application.hbs

<h1>Go to different routes</h1>
<br>
<br>
{{link-to 'go to my-route' 'my-route' }}
{{link-to 'go to my-route2' 'my-route2' }}
<br>
{{outlet}}
<br>
<br>

templates.my-route.hbs

this is my-route
injected i18nService: {{i18n}}

templates.my-route2.hbs

this is my-route2
injected i18nService: {{i18n}}

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",
    "ember-i18n": "5.0.2"
  }
}