function node_preprocess_html in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/node/node.module \node_preprocess_html()
2. 10 core/modules/node/node.module \node_preprocess_html()

Implements hook_preprocess_HOOK() for HTML document templates.

File

core/modules/node/node.module, line 409

The core module that allows content to be submitted to the site.

Code

function node_preprocess_html(&$variables) {

  // If on an individual node page or node preview page, add the node type to
  // the body classes.
  if (($node = \Drupal::routeMatch()
    ->getParameter('node')) || ($node = \Drupal::routeMatch()
    ->getParameter('node_preview'))) {
    if ($node instanceof NodeInterface) {
      $variables['node_type'] = $node
        ->getType();
    }
  }
}