Initial Version: Alterforms for Drupal 8, module file

alterforms.module (initial)

<?php

/**
 *Implements hook_form_alter()
 */

function alterforms_form_alter(&$form, $form_state, $form_id) {

  // Initial zone
  
  
  switch ($form_id){

    case  "your_string_form_id":

  // Actions zone
  
 

  // Debugging zone

   kint($form);

  break;

  case "another_form_id":
  drupal_set_message("We can work on another form");
  break;
   
}

}