drupal-rorschach/web/themes/custom/rorschach/rorschach.theme

<?php
/*
	* @files
	* Theme Template Funtions
*/

// use Drupal\Core\Template\Attribute;
// use Drupal\Core\Link;
// use Drupal\Core\Url;


function rorschach_preprocess_html(&$variables) {
  $node = \Drupal::routeMatch()->getParameter('node');
  if ($node){
    $variables['attributes']['class'][] = 'node-type-' . $node->bundle();
    $variables['attributes']['class'][] = 'node-id-' . $node->id();
  }
}


function rorschach_preprocess_node(&$variables){
  $node = &$variables['node'];
  $variables['attributes']['class'][] = 'node-type-' . $node->gettype();
  if($node->gettype() == "book") {
    $book = $node->book;
    $variables['attributes']['class'][] = 'book-depth-' . $book['depth'];
  }
  
}

// function rorschach_preprocess_field(&$variables) {
//   $node = \Drupal::routeMatch()->getParameter('node');

//   // $field_name = &$variables['field_name'];
//   // if($node) {
//   //   // if ($field_name == 'field_type_de_protagoniste'){
//   //   // $type_protagoniste = $node->get('field_type_de_protagoniste')->getString();
//   //   // $variables['attributes']['class'][] = 'type-de-protagoniste-' . $type_protagoniste;
//   //   // } 
//   //   if ($field_name == 'block-pagetitle-2') {
//   //     $depth_title = $node->id('block-pagetitle-2')->getString();
//   //     $variables['attributes']['class'][] = 'menu-depth-' . $depth_title;
//   //   }  
//   // }


// }


//////////////////////////////////////////////////

// $variables['classes_array'][] = "menu-depth-" . $depth;

//////////////////////////////////////////////////

// function rorschach_preprocess_field(&$variables){
//   $node = &$variables['node'];
//   $variables['attributes']['class'][] = 'node-type-' . $node->gettype();
//   if($node->gettype() == "offre_de_service") {
//     $type_protagoniste = $node->get('field_type_de_protagoniste')->getString();
//     $variables['attributes']['class'][] = 'type-de-protagoniste-' . $type_protagoniste;
//   }
// }

// function MYTHEME_preprocess_field__MYFIELD(&$variables) {

//   if ($variables['element']['#entity_type'] === 'node') {
//     $node = $variables['element']['#object'];
//     $nid = $node->id();
//     $variables['myurl'] = \Drupal::service('path.alias_manager')->getAliasByPath('/node/' . $nid);
//   }
// }

// function template_preprocess_block(&$variables) {
//   $node = &$variables['node'];
//   $variables['attributes']['class'][] = 'node-type-' . $node->gettype();
//   if($node->gettype() == "offre_de_service") {
//     $type_protagoniste = $node->get('field_type_de_protagoniste')->getString();
//     $variables['attributes']['class'][] = 'type-de-protagoniste-' . $type_protagoniste;
//   }
// }



///////////////////////////////////////////////////