function book_test_page_attachments

Implements hook_page_attachments().

File

core/modules/book/tests/modules/book_test/book_test.module, line 17

Code

function book_test_page_attachments(array &$page) {
  $page['#cache']['tags'][] = 'book_test.debug_book_navigation_cache_context';
  if (\Drupal::state()->get('book_test.debug_book_navigation_cache_context', FALSE)) {
    \Drupal::messenger()->addStatus(\Drupal::service('cache_contexts_manager')->convertTokensToKeys([
      'route.book_navigation',
    ])
      ->getKeys()[0]);
  }
}