fixed page key

nextjs/src/app/course/[courseName]/layout.tsx

@@ -1,4 +1,8 @@
-import { dehydrate, HydrationBoundary, QueryClient } from "@tanstack/react-query";
+import {
+  dehydrate,
+  HydrationBoundary,
+  QueryClient,
+} from "@tanstack/react-query";
 import { hydrateCourse } from "@/hooks/hookHydration";
 import { getQueryClient } from "@/app/providersQueryClientUtils";
 
@@ -9,6 +13,10 @@ export default async function CourseLayout({
   children: React.ReactNode;
   params: { courseName: string };
 }) {
+  if (courseName.includes(".js.map")) {
+    console.log("cannot load course that is .js.map " + courseName);
+    return <div></div>;
+  }
   const queryClient = getQueryClient();
 
   await hydrateCourse(queryClient, courseName);