This wouldn’t work for APIs or controllers that you make requests to via JS, but for the default use case of forms it’s an _incredible_ idea. It would probably

This wouldn’t work for APIs or controllers that you make requests to via JS, but for the default use case of forms it’s an _incredible_ idea. It would probably be not too hard to do as a gem - you inject a hidden field when form_with is called and you define a new method on params so the controller can indicate that this approach is being used.