NodeThemeHooks.php

<?php

declare (strict_types=1);
namespace Drupal\node\Hook;

use Drupal\Core\Hook\Attribute\Preprocess;

/**
 * Hook implementations for the node module.
 */
class NodeThemeHooks {
    
    /**
     * Implements hook_preprocess_HOOK() for node field templates.
     */
    public function preprocessFieldNode(&$variables) : void {
        // Set a variable 'is_inline' in cases where inline markup is required,
        // without any block elements such as <div>.
        if ($variables['element']['#is_page_title'] ?? FALSE) {
            // Page title is always inline because it will be displayed inside <h1>.
            $variables['is_inline'] = TRUE;
        }
        elseif (in_array($variables['field_name'], [
            'created',
            'uid',
            'title',
        ], TRUE)) {
            // Display created, uid and title fields inline because they will be
            // displayed inline by node.html.twig. Skip this if the field
            // display is configurable and skipping has been enabled.
            // @todo Delete as part of https://www.drupal.org/node/3015623
            
            /** @var \Drupal\node\NodeInterface $node */
            $node = $variables['element']['#object'];
            $skip_custom_preprocessing = $node->getEntityType()
                ->get('enable_base_field_custom_preprocess_skipping');
            $variables['is_inline'] = !$skip_custom_preprocessing || !$node->getFieldDefinition($variables['field_name'])
                ->isDisplayConfigurable('view');
        }
    }

}