function node_preprocess_html

Implements hook_preprocess_HOOK() for HTML document templates.

File

core/modules/node/node.module, line 231

Code

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