route model hoooks execution order

controllers.application.js

import Ember from 'ember';

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

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('parent', function() {
    this.route('child');
  });
});

export default Router;

routes.application.js

import Ember from 'ember';
import RSVP from 'rsvp';

const { Promise } = RSVP;
const { later } = Ember.run;

export default Ember.Route.extend({
  beforeModel() {
    console.log('application before model hook executed');
    return new Promise((resolve) => {
      later(this, function() {
        console.log('application before model hook is resolving');
      	return resolve();
      }, 500);
    });
  }
});

routes.parent.child.js

import Ember from 'ember';
import RSVP from 'rsvp';

const { Promise } = RSVP;
const { later } = Ember.run;

export default Ember.Route.extend({
  beforeModel() {
    console.log('child before model hook executed');
    return new Promise((resolve) => {
      later(this, function() {
        console.log('child before model hook is resolving');
      	return resolve();
      }, 500);
    });
  }
});

routes.parent.js

import Ember from 'ember';
import RSVP from 'rsvp';

const { Promise } = RSVP;
const { later } = Ember.run;

export default Ember.Route.extend({
  beforeModel() {
    console.log('parent before model hook executed');
    return new Promise((resolve) => {
      later(this, function() {
        console.log('parent before model hook is resolving');
      	return resolve();
      }, 500);
    });
  }
});

templates.application.hbs

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

twiddle.json

{
  "version": "0.13.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.16.2",
    "ember-template-compiler": "2.16.2",
    "ember-testing": "2.16.2"
  },
  "addons": {
    "ember-data": "2.16.3"
  }
}