Added auth to server hook.

src/routes/api/games/[gameid]/+server.ts

@@ -1,10 +1,15 @@
 import { games } from "$lib/server/cache";
-import { notFoundResponse, singleResponse } from "$lib/server/responseBodies";
+import { badRequestResponse, notFoundResponse, singleResponse } from "$lib/server/responseBodies";
 import type { RequestHandler } from "@sveltejs/kit";
 
 export const GET: RequestHandler = ({ params }): Response => {
 	const id = params["gameid"];
-	const game = games.find(({ id: gid }) => id === gid);
+
+	if (!id) {
+		return badRequestResponse("missing gameid parameter");
+	}
+
+	const game = games.find(({ id: gid }) => id === gid.toString());
 
 	if (!game) {
 		return notFoundResponse();