wudo.theme

<?php

/**
 * @file
 * Page related functions to support theming.
 */

/**
 * Implements hook_page_attachments_alter().
 */
function wudo_page_attachments_alter(array &$attachments) {
  $theme_path = \Drupal::service('extension.list.theme')->getPath('wudo');
  $full_path = DRUPAL_ROOT . '/' . $theme_path . '/js/import-map.js';

  if (file_exists($full_path)) {
    $import_map_content = file_get_contents($full_path);

    $attachments['#attached']['html_head'][] = [
      [
        '#tag' => 'script',
        '#attributes' => ['type' => 'importmap'],
        '#value' => $import_map_content,
      ],
      'wudo_importmap_inline',
    ];
  }
}

/**
 * Implements hook_theme_suggestions_page_alter().
 */
function wudo_theme_suggestions_page_alter(array &$suggestions, array $variables) {
    if ($node = \Drupal::routeMatch()->getParameter('node')) {
        // Add content type suggestions.
        $suggestions[] = 'page__node__' . $node->bundle();
    }
}

/**
 * Implements hook_preprocess_links__language_block().
 */
function wudo_preprocess_links__language_block(&$variables) {
  $language_manager = \Drupal::languageManager();
  $current_lang_id = $language_manager->getCurrentLanguage()->getId();
  $lang_items = [];

  foreach ($variables['links'] as $lang_code => $item) {
    if (isset($item['link']['#url'])) {
      /** @var \Drupal\Core\Url $url */
      $url = $item['link']['#url'];

      $url->setOption('language', $language_manager->getLanguage($lang_code));
      $url_string = $url->toString();

      $lang_items[] = [
        'code'       => $lang_code,
        'text'       => $item['text'],
        'url'        => $url_string,
        'is_active'  => ($lang_code === $current_lang_id),
        'attributes' => $item['attributes'],
      ];
    }
  }

  $variables['custom_languages'] = $lang_items;
}