api architecture

packages/lib/server/defaultHandler.ts

@@ -0,0 +1,24 @@
+import type { NextApiHandler, NextApiRequest, NextApiResponse } from "next";
+
+type Handlers = {
+  [method in "GET" | "POST" | "PATCH" | "PUT" | "DELETE"]?: Promise<{ default: NextApiHandler }>;
+};
+
+/** Allows us to split big API handlers by method */
+export const defaultHandler = (handlers: Handlers) => async (req: NextApiRequest, res: NextApiResponse) => {
+  const handler = (await handlers[req.method as keyof typeof handlers])?.default;
+  // auto catch unsupported methods.
+  if (!handler) {
+    return res
+      .status(405)
+      .json({ message: `Method Not Allowed (Allow: ${Object.keys(handlers).join(",")})` });
+  }
+
+  try {
+    await handler(req, res);
+    return;
+  } catch (error) {
+    console.error(error);
+    return res.status(500).json({ message: "Something went wrong" });
+  }
+};