New Twiddle

controllers.application.js

import Ember from 'ember';

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

mirage.config.js

import Response from 'ember-cli-mirage/response';

export default function() {
  this.get('/templates/:id', () => {
    return new Response(200, {'Content-Type': 'application/json'},{
      "data": {
        "type": "templates",
        "id": "1",
        "attributes": {},
        "relationships": {
          "layout": {
            "data": {
              "type": "layouts",
              "id": "1"
            }
          }
        }
      }
    })
  });
  this.get('/layouts/:id');
}

mirage.scenarios.default.js

export default function() {
}

mirage.serializers.application.js

import { JSONAPISerializer } from 'ember-cli-mirage';

export default JSONAPISerializer.extend({
  alwaysIncludeLinkageData: true
});

models.layout.js

import Model from 'ember-data/model';
import attr from 'ember-data/attr';
import { belongsTo, hasMany } from 'ember-data/relationships';

export default Model.extend({
});

models.template.js

import Model from 'ember-data/model';
import attr from 'ember-data/attr';
import { belongsTo, hasMany } from 'ember-data/relationships';

export default Model.extend({
  layout: belongsTo('layout')
});

routes.index.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
    return this.store.findRecord('template', 1);
  },
  
  setupController(controller, model) {
    this._super(...arguments);
    setTimeout(() => {
      model.get('layout.id');
      setTimeout(() => {
        model.get('layout.id');
        setTimeout(() => {
          model.get('layout.id');
        }, 500);
      }, 500);
    }, 500);
  }
});

templates.application.hbs

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

twiddle.json

{
  "version": "0.15.1",
  "ENV": {
    "ember-cli-mirage": {
      "enabled": true
    }
  },
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.4.3",
    "ember-template-compiler": "3.4.3",
    "ember-testing": "3.4.3"
  },
  "addons": {
    "ember-data": "3.4.2",
    "ember-cli-mirage": "0.4.14"
  }
}