Drupal 8 Module Development

Creating Your First Module

Now that we have covered some of the introductory aspects of Drupal 8 module development, it’s time to dive right into the meat of what we are doing here--module creation.

Here are some of the important topics that we will cover in this chapter:

• Creating a new Drupal 8 module--the files that are necessary to get started
• Creating a route and controller
• Creating and using a service
• Creating a form
• Creating a custom block
• Working with links
• Using the Event Dispatcher

Concretely, in this chapter, we will create a new custom module called Hello World. In this module, we will define a route that maps to a Controller and that outputs the age-old programming message. So, this will be our first win.

Next, we will define ...