_data bug

controllers.application\.js

import Controller from '@ember/controller';

export default class ApplicationController extends Controller {
  appName = 'Model for bugs';
}

models.community\.js

import DS from 'ember-data';
import { computed } from '@ember/object';

export default DS.Model.extend({
  global_id: DS.attr('string'),
  name: DS.attr('string'),
  raw_description: DS.attr('string'),
  network: DS.belongsTo('network'),
  tags: DS.hasMany('tag')
});

models.feedstory\.js

import DS from 'ember-data';

export default DS.Model.extend({
  global_id: DS.attr('string'),
  resource_uri: DS.attr('string'),
  story_type: DS.attr('string'),
  post: DS.belongsTo('post'),
  pin: DS.belongsTo('pin')
});

models.post\.js

import DS from 'ember-data';
import { computed } from '@ember/object';

export default DS.Model.extend({
  global_id: DS.attr('string'),
  body: DS.attr('string'),
  is_announcement: DS.attr('boolean'),
  author: DS.belongsTo('user'),
  pin: DS.belongsTo('pin'),
  title: DS.attr('string'),
  community: DS.belongsTo('community'),
  uploadedFileMetadata: DS.attr('string')
});

models.tag\.js

import DS from 'ember-data';

export default DS.Model.extend({
  global_id: DS.attr('string'),
  name: DS.attr('string'),
  description: DS.attr('string'),
  network_id: DS.attr('string'),
  tag_type: DS.attr('string'),
  data: DS.attr()
});

templates.application\.hbs

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

twiddle\.json

{
  "version": "0.17.1",
  "EmberENV": {
    "FEATURES": {},
    "_TEMPLATE_ONLY_GLIMMER_COMPONENTS": false,
    "_APPLICATION_TEMPLATE_WRAPPER": true,
    "_JQUERY_INTEGRATION": true
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.js",
    "ember": "3.8.3",
    "ember-template-compiler": "3.8.3",
    "ember-testing": "3.8.3"
  },
  "addons": {
    "@glimmer/component": "1.0.0",
    "ember-data": "3.8.1"
  }
}