feat: add extensive test suite

app/api/slip/[id]/route.ts

@@ -2,25 +2,13 @@ import { eq } from "drizzle-orm";
 import { notFound } from "next/navigation";
 import { db } from "@/lib/db";
 import { endgameSlips } from "@/lib/db/schema";
+import { createSlipHandler } from "@/lib/server-handlers";
 
-export async function GET(
-  _: Request,
-  { params }: { params: Promise<{ id: string }> },
-) {
-  const { id } = await params;
-
+export const GET = createSlipHandler(async (id) => {
   const [sub] = await db
     .select({ slip: endgameSlips.slip })
     .from(endgameSlips)
     .where(eq(endgameSlips.id, id))
     .limit(1);
-
-  if (!sub) notFound();
-  if (!sub.slip) notFound();
-
-  return new Response(new Uint8Array(sub.slip), {
-    headers: {
-      "Content-Type": "image/jpeg",
-    },
-  });
-}
+  return sub?.slip ? new Uint8Array(sub.slip) : null;
+}, notFound);