function BookNavigationBlock::getCacheContexts

Overrides ContextAwarePluginTrait::getCacheContexts

File

core/modules/book/src/Plugin/Block/BookNavigationBlock.php, line 187

Class

BookNavigationBlock

Provides a 'Book navigation' block.

Namespace

Code

public function getCacheContexts() {
    return Cache::mergeContexts(parent::getCacheContexts(), [
        'route.book_navigation',
    ]);
}