Book Image

Mastering Drupal 8

By : Sean Montague, Chaz Chumley, William Hurley
Book Image

Mastering Drupal 8

By: Sean Montague, Chaz Chumley, William Hurley

Overview of this book

Drupal is an open source content management system trusted by governments and organizations around the globe to run their websites. It brings with it extensive content authoring tools, reliable performance, and a proven track record of security. The community of more than 1,000,000 developers, designers, editors, and others have developed and maintained a wealth of modules, themes, and other add-ons to help you build a dynamic web experience. Drupal 8 is the latest release of the Drupal built on the Symfony2 framework. This is the largest change to the Drupal project in its history. The entire API of Drupal has been rebuilt using Symfony and everything from the administrative UI to themes to custom module development has been affected. This book will cover everything you need to plan and build a complete website using Drupal 8. It will provide a clear and concise walkthrough of the more than 200 new features and improvements introduced in Drupal core. In this book, you will learn advanced site building techniques, create and modify themes using Twig, create custom modules using the new Drupal API, explore the new REST and Multilingual functionality, import, and export Configuration, and learn how to migrate from earlier versions of Drupal.
Table of Contents (25 chapters)
Title Page
Credits
About the Author
Acknowledgments
About the Author
About the Reviewer
Customer Feedback
www.PacktPub.com
Preface

Using the Web Profiler


Symfony2 comes with the Web Profiler, a plugin that allows a developer to check how their application is performing. The Web Profiler collects information about each request made to the site and allows you to visualize it within the browser. The Web Profiler bundle isn't included in Drupal 8 by default but it can be installed as part of the Devel module.

Installing the Web Profiler module

The Web Profiler module is a submodule of the Devel module. When you download the Devel module, it becomes available and you can enable it either through the user interface or by running drush pm-enable webprofiler. There are some additional configuration steps you need to perform in order to use all of the functionality of the Web Profiler. First you will need two JavaScript libraries. You will need to download D3 (https://d3js.org) to /libraries/d3 and download Highlight (https://highlightjs.org) to /libraries/highlight. Next you will need to add the following to your /sites/default...