Chris@0: /**
Chris@0:  * Implements hook_tokens().
Chris@0:  */
Chris@0: function {{ machine_name }}_tokens($type, $tokens, array $data, array $options, \Drupal\Core\Render\BubbleableMetadata $bubbleable_metadata) {
Chris@0:   $token_service = \Drupal::token();
Chris@0: 
Chris@0:   $url_options = ['absolute' => TRUE];
Chris@0:   if (isset($options['langcode'])) {
Chris@0:     $url_options['language'] = \Drupal::languageManager()->getLanguage($options['langcode']);
Chris@0:     $langcode = $options['langcode'];
Chris@0:   }
Chris@0:   else {
Chris@0:     $langcode = NULL;
Chris@0:   }
Chris@0:   $replacements = [];
Chris@0: 
Chris@0:   if ($type == 'node' && !empty($data['node'])) {
Chris@0:     /** @var \Drupal\node\NodeInterface $node */
Chris@0:     $node = $data['node'];
Chris@0: 
Chris@0:     foreach ($tokens as $name => $original) {
Chris@0:       switch ($name) {
Chris@0:         // Simple key values on the node.
Chris@0:         case 'nid':
Chris@0:           $replacements[$original] = $node->nid;
Chris@0:           break;
Chris@0: 
Chris@0:         case 'title':
Chris@0:           $replacements[$original] = $node->getTitle();
Chris@0:           break;
Chris@0: 
Chris@0:         case 'edit-url':
Chris@0:           $replacements[$original] = $node->url('edit-form', $url_options);
Chris@0:           break;
Chris@0: 
Chris@0:         // Default values for the chained tokens handled below.
Chris@0:         case 'author':
Chris@0:           $account = $node->getOwner() ? $node->getOwner() : User::load(0);
Chris@0:           $replacements[$original] = $account->label();
Chris@0:           $bubbleable_metadata->addCacheableDependency($account);
Chris@0:           break;
Chris@0: 
Chris@0:         case 'created':
Chris@0:           $replacements[$original] = format_date($node->getCreatedTime(), 'medium', '', NULL, $langcode);
Chris@0:           break;
Chris@0:       }
Chris@0:     }
Chris@0: 
Chris@0:     if ($author_tokens = $token_service->findWithPrefix($tokens, 'author')) {
Chris@0:       $replacements += $token_service->generate('user', $author_tokens, ['user' => $node->getOwner()], $options, $bubbleable_metadata);
Chris@0:     }
Chris@0: 
Chris@0:     if ($created_tokens = $token_service->findWithPrefix($tokens, 'created')) {
Chris@0:       $replacements += $token_service->generate('date', $created_tokens, ['date' => $node->getCreatedTime()], $options, $bubbleable_metadata);
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   return $replacements;
Chris@0: }