menu_link_weight_extended.module

<?php

/**
 * @file
 * Contains menu_link_weight_extended.module..
 */

use Drupal\Component\Utility\Html;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
use Drupal\menu_link_content\Form\MenuLinkContentForm;
use Drupal\system\Entity\Menu;

/**
 * Implements hook_entity_type_build()
 *
 * Add the menu_link_weight_extended form controllers to the entity type config object.
 */
function menu_link_weight_extended_entity_type_build(array &$entity_types) {
  /** @var $entity_types \Drupal\Core\Entity\EntityTypeInterface[] */
  $entity_types['menu']->setFormClass('edit_menu_link_weight_extended', 'Drupal\menu_link_weight_extended\MenuFormLinkController');
  $entity_types['menu']->setFormClass('edit_menu_link_weight_extended_slice', 'Drupal\menu_link_weight_extended\MenuSliceFormController');
}

/**
 * Implements hook_menu_local_actions_alter().
 */
function menu_link_weight_extended_menu_local_actions_alter(&$local_actions) {
  if (isset($local_actions['entity.menu.add_link_form'])) {
    // Add local actions to routes provided by this module.
    $local_actions['entity.menu.add_link_form']['appears_on'][] = 'menu_link_weight_extended.menu';
    $local_actions['entity.menu.add_link_form']['appears_on'][] = 'menu_link_weight_extended.menu_link';
  }
}