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 a service that our Controller will use to pimp up our message. After all, we don't want the same message presented to the user...
