New Twiddle

adapters.application.js

import JSONAPIAdapter from "ember-data/adapters/json-api";
import { assert } from '@ember/debug';

export default JSONAPIAdapter.extend({
  host: "https://baconipsum.com",
  query(store, modelClass, query, _, options = {}) {
		assert(options.adapterOptions, "Options are not passed")

    const res = this._super(...arguments)

    return res;
  }
});

controllers.application.js

import Ember from 'ember';
import {inject as service } from "@ember/service"

export default Ember.Controller.extend({
  store: service(),
  appName: 'Ember Twiddle',
  
  init(){
  this.set('bla', this.store.query('api', {type:"meat-and-filler"}, {adapterOptions:{headers: []}}))
}
});

models.api.js

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

export default Model.extend({
  name: attr() 
  
});

templates.application.hbs

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

twiddle.json

{
  "version": "0.15.1",
  "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"
  }
}