function MenuActiveTrailsCacheContext::getCacheableMetadata

Overrides CalculatedCacheContextInterface::getCacheableMetadata

File

core/lib/Drupal/Core/Cache/Context/MenuActiveTrailsCacheContext.php, line 44

Class

MenuActiveTrailsCacheContext

Defines the MenuActiveTrailsCacheContext service.

Namespace

Drupal\Core\Cache\Context

Code

public function getCacheableMetadata($menu_name = NULL) {
    if (!$menu_name) {
        throw new \LogicException('No menu name provided for menu.active_trails cache context.');
    }
    $cacheable_metadata = new CacheableMetadata();
    return $cacheable_metadata->setCacheTags([
        "config:system.menu.{$menu_name}",
    ]);
}