routing-service.js

// initializers/x-routing-service.js
export default {
	name: 'x-routing-service',
	initialize: function(container, application) {
		application.inject('service:routing', 'router', 'router:main');
		application.inject('service:routing', 'applicationController', 'controller:application');
	}
};

// services/routing.js
import Ember from 'ember';

export default Ember.Service.extend(Ember.Evented, {
	// NOTE: dependencies injected via initializer
	// applicationController: Ember.inject.controller('application'),
	// router: injected('router:main')

	currentRouteName: Ember.computed.alias('applicationController.currentRouteName'),
	currentPath: Ember.computed.alias('applicationController.currentPath'),
	currentRouteSegments: function () {
	    return this.get('currentPath') ? this.get('currentPath').split('.') : [];
	}.property('currentPath'),

	transitionTo () {
		var router = this.get('router');
		router.transitionTo.apply(router, arguments);
	},

	replaceWith () {
		var router = this.get('router');
		router.replaceWith.apply(router, arguments);
	},

	_subscribeToRouterEvents: function () {
		let router = this.get('router');
		router.on('willTransition', () => this.trigger('routeWillChange'));
		router.on('didTransition', () => this.trigger('routeDidChange'));
	}.on('init')
});