function book_node_predelete in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/book/book.module \book_node_predelete()
2. 10 core/modules/book/book.module \book_node_predelete()

Implements hook_ENTITY_TYPE_predelete() for node entities.

File

core/modules/book/book.module, line 281

Allows users to create and organize related content in an outline.

Code

function book_node_predelete(EntityInterface $node) {
  if (!empty($node->book['bid'])) {

    /** @var \Drupal\book\BookManagerInterface $book_manager */
    $book_manager = \Drupal::service('book.manager');
    $book_manager
      ->deleteFromBook($node->book['nid']);
  }
}