State form entity

This module allow user to set States behaviors on field, for all entity fieldable existing in site.
Custom entity can be targeting to.

to test the module or use it :
ddl it by composer :

composer require drupal/state_form_entity

enabling it of course.
go to page :

admin/structure/state_form_entity/add

and create you first state. When you have done, go through your form entity and check the result.
Node form is the greast test place.
You can target and toggle any fields you want.
But actually you need to specify what value the field needs to have for work.

Hope you'll be enjoying it !