public function CssCollectionOptimizer::deleteAll in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Asset/CssCollectionOptimizer.php \Drupal\Core\Asset\CssCollectionOptimizer::deleteAll()

Deletes all optimized asset collections assets.

Overrides AssetCollectionOptimizerInterface::deleteAll

File

core/lib/Drupal/Core/Asset/CssCollectionOptimizer.php, line 186

Class

CssCollectionOptimizer

Optimizes CSS assets.

Namespace

Drupal\Core\Asset

Code

public function deleteAll() {
  $this->state
    ->delete('drupal_css_cache_files');
  $delete_stale = function ($uri) {

    // Default stale file threshold is 30 days.
    if (REQUEST_TIME - filemtime($uri) > \Drupal::config('system.performance')
      ->get('stale_file_threshold')) {
      $this->fileSystem
        ->delete($uri);
    }
  };
  if (is_dir('public://css')) {
    $this->fileSystem
      ->scanDirectory('public://css', '/.*/', [
      'callback' => $delete_stale,
    ]);
  }
}