Book Image

Drupal 8 Development Cookbook - Second Edition

By : Matt Glaman
Book Image

Drupal 8 Development Cookbook - Second Edition

By: Matt Glaman

Overview of this book

Began as a message board, Drupal today is open source software maintained and developed by a community of over 1,000,000 users and developers. Drupal is used by numerous local businesses to global corporations and diverse organizations all across the globe. With Drupal 8’s exciting features it brings, this book will be your go-to guide to experimenting with all of these features through helpful recipes. We’ll start by showing you how to customize and configure the Drupal environment as per your requirements, as well as how to install third-party libraries and then use them in the Drupal environment. Then we will move on to creating blocks and custom modules with the help of libraries. We will show you how to use the latest mobile-first feature of Drupal 8, which will help you make your apps responsive across all the major platforms. This book will also show you how to incorporate multilingual facilities in your sites, use web services and third-party plugins with your applications from inside Drupal 8, and test and deploy your apps.
Table of Contents (20 chapters)
Title Page
About the Author
About the Reviewer
Customer Feedback


There are several modules provided by Drupal 8 that enable the ability to turn it into a web service provider. The Serialization module provides a means of serializing data to or deserializing from formats such as JSON and XML. The RESTful web services module then exposes entities and other APIs through Web APIs. Operations done through RESTful resource endpoints use the same create, edit, delete, and view permissions that would be used in a non-API format.

The HAL module serializes entities using the Hypertext Application Language (HAL) format. HAL is an Internet Draft standard convention used to hyperlink between resources in an API. HAL+JSON is required when working with POST and PATCH methods. For authentication, the HTTP Basic Authentication module provides a simple authentication via HTTP headers.

There is a community-lead effort to implement the JSON API specification with Drupal, using the JSON API module, covered in the Using JSON API recipe of this chapter. Like HAL...