add catchAsync to handle errors, remove all try/catch blocks from contorllers

server/src/utils/catchAsync.ts

@@ -0,0 +1,14 @@
+import type { NextFunction, Request, RequestHandler, Response } from "express";
+type AsyncRequestHandler = (req: Request, res: Response) => Promise<unknown>;
+
+/**
+ * Wraps an async route handler so that any error it throws or any promise it
+ * rejects is passed to Express's error middleware (`handleErrors`).  Every async controller method must be wrapped.
+ */
+export const catchAsync = (fn: AsyncRequestHandler): RequestHandler => {
+	const wrappedHandler = (req: Request, res: Response, next: NextFunction) => {
+		fn(req, res).catch(next);
+	};
+
+	return wrappedHandler;
+};