Ember adapter and serializer for Drupal 8 with JSON:API

app.js

// app/app.js
import Ember from 'ember';
import Resolver from './resolver';
import loadInitializers from 'ember-load-initializers';
import config from './config/environment';
import './models/custom-inflector-rules'; // <-Add this line for the rules.

app_adapter.js

// app/adapters/application.js

import DS from 'ember-data';

export default DS.JSONAPIAdapter.extend({
  host: 'http://0.0.0.0:8888',
  namespace: 'jsonapi',
  buildURL(record, suffix) {
    return this._super(record, suffix) + '?_format=api_json';
  },
  pathForType(type) {
    return type.replace('--', '/').replace('-', '_');
  }
});

app_serializer.js

// app/serializers/application.js

import Ember from 'ember';
import DS from 'ember-data';

export default DS.JSONAPISerializer.extend({
  modelNameFromPayloadKey(key) {
    return Ember.String.dasherize(key);
  },
  keyForAttribute(attr) {
    return Ember.String.underscore(attr);
  },
  keyForRelationship(key) {
    return Ember.String.underscore(key);
  }
});

custom-inflector-rules.js

// app/models/custom-inflector-rules.js

import Inflector from 'ember-inflector';

const inflector = Inflector.inflector;

inflector.irregular('node--article', 'node--article');

// Meet Ember Inspector's expectation of an export
export default {};

ember_data_model.js

// app/models/node--article.js

import DS from 'ember-data';

export default DS.Model.extend({
  nid: DS.attr(),
  uuid: DS.attr(),
  title: DS.attr(),
  created: DS.attr(),
  body: DS.attr(),
  fieldComments: DS.attr(),
  uid: DS.belongsTo('user--user')
});