March 2019
Intermediate to advanced
580 pages
15h 3m
English
Since pretty much the second page of this book you've been reading about how important plugins are and how widely they are used in Drupal 8. I have backed that claim with references to "this or that" being a plugin in basically every chapter. However, I have not really explained how you can create your own custom plugin type. However, since our importer logic is a perfect candidate for plugins, I will do so here, and to exemplify the theory, we will implement an Importer plugin type.
The very first thing a plugin type needs is a manager service. This is responsible for bringing together two critical aspects of plugins (but not only): discovery and factory (instantiation). For these two tasks, it delegates to specialized ...