What we need to know to create custom modules in Drupal 8

Oleksandr Ivanchenko - @alexsergivan

Main folders structure

.info.yml

.routing.yml

PSR-4 autoloading standard

DefaultController.php

Plugin system

“The D8 plugin system provides a set of guidelines and reusable code components to allow developers to expose pluggable components within their code and (as needed) support managing these components through the user interface.” drupal.org

Plugin systems examples:- Blocks- Field types- Field widget- Field formatters- Image effects- Input filter- CKEditor buttons- Entity types

Block plugin example

Drupal 8 forms

Add js

https://github.com/hechoendrupal/DrupalAppConsole

Drupal 8 Console scaffolding module generator