CssCollectionOptimizer.php in Flysystem 3.0.x

Namespace

Drupal\flysystem\Asset

File

src/Asset/CssCollectionOptimizer.php

<?php

namespace Drupal\flysystem\Asset;

use Drupal\Core\Asset\CssCollectionOptimizer as DrupalCssCollectionOptimizer;

/**
 * Optimizes CSS assets.
 */
class CssCollectionOptimizer extends DrupalCssCollectionOptimizer {
  use SchemeExtensionTrait;

  /**
   * {@inheritdoc}
   */
  public function deleteAll() {
    $this->state
      ->delete('drupal_css_cache_files');

    /** @var \Drupal\Core\File\FileSystem $file_system */
    $file_system = \Drupal::service('file_system');
    $delete_stale = static function ($uri) use ($file_system) {

      // Default stale file threshold is 30 days (2592000 seconds).
      $stale_file_threshold = \Drupal::config('system.performance')
        ->get('stale_file_threshold') ?? 2592000;
      if (\Drupal::time()
        ->getRequestTime() - filemtime($uri) > $stale_file_threshold) {
        $file_system
          ->delete($uri);
      }
    };
    $file_system
      ->scanDirectory($this
      ->getSchemeForExtension('css') . '://css', '/.*/', [
      'callback' => $delete_stale,
    ]);
  }

}

Classes

Name	Description
CssCollectionOptimizer	Optimizes CSS assets.