system_js_settings_alter(&$settings, AttachedAssetsInterface $assets)
Implements hook_js_settings_alter().
Sets values which depend on the current request, like core/drupalSettings as well as theme_token ajax state.
File
- core/modules/system/system.module, line 667
- Configuration system that lets administrators modify the workings of the site.
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | function system_js_settings_alter(&$settings, AttachedAssetsInterface $assets) { // As this is being output in the final response always use the master // request. $request = \Drupal::requestStack()->getMasterRequest(); $current_query = $request->query->all(); // Let output path processors set a prefix. /** @var \Drupal\Core\PathProcessor\OutboundPathProcessorInterface $path_processor */ $path_processor = \Drupal::service('path_processor_manager'); $options = ['prefix' => '']; $path_processor->processOutbound('/', $options); $pathPrefix = $options['prefix']; $route_match = \Drupal::routeMatch(); if ($route_match instanceof StackedRouteMatchInterface) { $route_match = $route_match->getMasterRouteMatch(); } $current_path = $route_match->getRouteName() ? Url::fromRouteMatch($route_match)->getInternalPath() : ''; $current_path_is_admin = \Drupal::service('router.admin_context')->isAdminRoute($route_match->getRouteObject()); $path_settings = [ 'baseUrl' => $request->getBaseUrl() . '/', 'pathPrefix' => $pathPrefix, 'currentPath' => $current_path, 'currentPathIsAdmin' => $current_path_is_admin, 'isFront' => \Drupal::service('path.matcher')->isFrontPage(), 'currentLanguage' => \Drupal::languageManager()->getCurrentLanguage(LanguageInterface::TYPE_URL)->getId(), ]; if (!empty($current_query)) { ksort($current_query); $path_settings['currentQuery'] = (object) $current_query; } // Only set core/drupalSettings values that haven't been set already. foreach ($path_settings as $key => $value) { if (!isset($settings['path'][$key])) { $settings['path'][$key] = $value; } } if (!isset($settings['pluralDelimiter'])) { $settings['pluralDelimiter'] = LOCALE_PLURAL_DELIMITER; } // Add the theme token to ajaxPageState, ensuring the database is available // before doing so. Also add the loaded libraries to ajaxPageState. /** @var \Drupal\Core\Asset\LibraryDependencyResolver $library_dependency_resolver */ $library_dependency_resolver = \Drupal::service('library.dependency_resolver'); if (isset($settings['ajaxPageState']) || in_array('core/drupal.ajax', $library_dependency_resolver->getLibrariesWithDependencies($assets->getAlreadyLoadedLibraries()))) { if (!defined('MAINTENANCE_MODE')) { // The theme token is only validated when the theme requested is not the // default, so don't generate it unless necessary. // @see \Drupal\Core\Theme\AjaxBasePageNegotiator::determineActiveTheme() $active_theme_key = \Drupal::theme()->getActiveTheme()->getName(); if ($active_theme_key !== \Drupal::service('theme_handler')->getDefault()) { $settings['ajaxPageState']['theme_token'] = \Drupal::csrfToken() ->get($active_theme_key); } } // Provide the page with information about the individual asset libraries // used, information not otherwise available when aggregation is enabled. $minimal_libraries = $library_dependency_resolver->getMinimalRepresentativeSubset(array_merge( $assets->getLibraries(), $assets->getAlreadyLoadedLibraries() )); sort($minimal_libraries); $settings['ajaxPageState']['libraries'] = implode(',', $minimal_libraries); }} |
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