clerk was missing /shared npm package

src/middleware.ts

@@ -7,8 +7,11 @@ const isProtectedRoute = createRouteMatcher([
 ]);
 
 export const onRequest = clerkMiddleware((auth, context) => {
-  if (!auth().userId && isProtectedRoute(context.request)) {
-    // Redirect unauthenticated users to the sign-in page
-    return auth().redirectToSignIn(); 
+  const { isAuthenticated, redirectToSignIn } = auth()
+
+  if (!isAuthenticated && isProtectedRoute(context.request)) {
+    // Add custom logic to run before redirecting
+
+    return redirectToSignIn()
   }
 });