Issue #3372105 by g_miric, neclimdul, kala4ek, andypost, Heine, apotek,...

Issue #3372105 by g_miric, neclimdul, kala4ek, andypost, Heine, apotek, markdorison: Stage file proxy attempts to fetch aggregated JS/CSS

src/EventSubscriber/StageFileProxySubscriber.php

@@ -153,6 +153,13 @@ class StageFileProxySubscriber implements EventSubscriberInterface {
     foreach ($paths as $relative_path) {
       $fetch_path = $relative_path;
 
+      // Don't touch CSS and JS aggregation. 'css/' and 'js/' are hard coded to
+      // match route definitions.
+      // @see \Drupal\system\Routing\AssetRoutes
+      if (str_starts_with($relative_path, 'css/') || str_starts_with($relative_path, 'js/')) {
+        return;
+      }
+
       // Is this imagecache? Request the root file and let imagecache resize.
       // We check this first so locally added files have precedence.
       $original_path = $this->manager->styleOriginalPath($relative_path, TRUE);