chore: early return for next.js static assets (#19678)

apps/web/middleware.ts

@@ -39,10 +39,21 @@ export function checkPostMethod(req: NextRequest) {
   return null;
 }
 
+export function checkStaticFiles(pathname: string) {
+  const hasFileExtension = /\.(svg|png|jpg|jpeg|gif|webp|ico)$/.test(pathname);
+  // Skip Next.js internal paths (_next) and static assets
+  if (pathname.startsWith("/_next") || hasFileExtension) {
+    return NextResponse.next();
+  }
+}
+
 const middleware = async (req: NextRequest): Promise<NextResponse<unknown>> => {
   const postCheckResult = checkPostMethod(req);
   if (postCheckResult) return postCheckResult;
 
+  const isStaticFile = checkStaticFiles(req.nextUrl.pathname);
+  if (isStaticFile) return isStaticFile;
+
   const url = req.nextUrl;
   const requestHeaders = new Headers(req.headers);
   requestHeaders.set("x-url", req.url);