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
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface

Providing the configuration on the installation or update


Drupal provides a configuration management system, which is discussed in Chapter 9, Configuration Management - Deploying in Drupal 8, and modules can provide configuration on an installation or through an update system. Modules provide the configuration through YAML files when they are first installed. Once the module is enabled, the configuration is then placed in the configuration management system; however updates can be made to the configuration in code through the Drupal update system.

In this recipe, we will provide a configuration YAML that creates a new contact form and then manipulates it through a schema version change in the update system.

Getting ready

Create a new module like the one in the first recipe. We will refer to the module as mymodule throughout the recipe. Use your module's appropriate name where necessary.

How to do it...

  1. Create a config folder in your module's base directory. Drupal requires its configuration YAML...