Book Image

Drupal 10 Development Cookbook - Third Edition

By : Matt Glaman, Kevin Quillen
Book Image

Drupal 10 Development Cookbook - Third Edition

By: Matt Glaman, Kevin Quillen

Overview of this book

This new and improved third edition cookbook is packed with the latest Drupal 10 features such as a new, flexible default frontend theme - Olivero, and improved administrative experience with a new theme - Claro. This comprehensive recipe book provides updated content on the WYSIWYG (What You See Is What You Get) editing experience, improved core code performance, and code cleanup. Drupal 10 Development Cookbook begins by helping you create and manage a Drupal site. Next, you’ll get acquainted with configuring the content structure and editing content. You’ll also get to grips with all new updates of this edition, such as creating custom pages, accessing and working with entities, running and writing tests with Drupal, migrating external data into Drupal, and turning Drupal into an API platform. As you advance, you’ll learn how to customize Drupal’s features with out-of-the-box modules, contribute extensions, and write custom code to extend Drupal. By the end of this book, you’ll be able to create and manage Drupal sites, customize them to your requirements, and build custom code to deliver your projects.
Table of Contents (17 chapters)

Providing configuration settings for your module

Modules can leverage configuration settings to allow end users to modify how they operate. These pieces of configuration are YAML files. Modules can also provide default configuration for other modules when they are installed. Once the module has been installed, the default configuration it provides is imported into Drupal. Modules may also modify existing configurations programmatically through an installation hook or update hooks.

In this recipe, we will provide a configuration that creates a new contact form and then manipulates it through an update hook.

Getting ready

This recipe requires a custom module, like the one created in the first recipe. We will refer to the module as mymodule throughout this recipe. Use your module’s appropriate name where necessary.

How to do it…

  1. Create a config folder in your module’s directory. Then, in that directory, create an install directory. Drupal looks...