entity_meta_relation-8.x-1.0-beta8/modules/emr_node/emr_node.module

<?php

/**
 * @file
 * Entity meta relation node module file.
 */

declare(strict_types=1);

use Drupal\emr_node\NodeFormHandler;

/**
 * Implements hook_entity_type_alter().
 */
function emr_node_entity_type_alter(array &$entity_types) {
  if (!isset($entity_types['node'])) {
    return;
  }

  /** @var \Drupal\Core\Entity\EntityTypeInterface $entity_type */
  $entity_type = $entity_types['node'];
  if (!$entity_type->hasHandlerClass('emr_content_form')) {
    // Add the entity meta content form handler to the Node entity type.
    $entity_type->setHandlerClass('emr_content_form', NodeFormHandler::class);
  }

  // Set the EntityMetaRelation entity bundle that is used to connect the
  // Node entity type with the EntityMeta entity.
  $entity_type->set('entity_meta_relation_bundle', 'node_meta_relation');
  // Set the field name used to reference the Node entity revision on the
  // EntityMetaRelation entity that connects it to an EntityMeta.
  $entity_type->set('entity_meta_relation_content_field', 'emr_node_revision');
  // Set the field name used to reference the EntityMeta entity revision from
  // the EntityMetaRelation entity that connects it to a Node.
  $entity_type->set('entity_meta_relation_meta_field', 'emr_meta_revision');
}