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

Updating and installing new module configurations


Modules in Drupal 8 provide configuration YAML files inside their config/install directory. A consequence of the site controlling configuration is that a new configuration in a module's config/install directory is not automatically installed. Module developers must write update functions, which will import the new configuration as it is added. While this is a practice contributed modules should follow, this process can be cumbersome for private projects.

Luckily, the Drupal community has come up with a solution that provides a configuration management flow that allows updating of a module's provided default configuration. The module Configuration Update Manager allows you to import a new configuration from a module or revert it to the original configuration if modified. In fact, the module is a dependency for the Features module discussed in Chapter 4, Extending Drupal.

In this recipe, we will use Configuration Update Manager to review configuration...