From c196689545ead08fd529c04ae287126567eb4d3f Mon Sep 17 00:00:00 2001
From: Damien Arrachequesne <damien.arrachequesne@gmail.com>
Date: Thu, 16 Dec 2021 22:59:31 +0100
Subject: [PATCH] docs: fix basic crud example

Related: https://github.com/socketio/socket.io/issues/4213
---
 examples/basic-crud-application/server/lib/util.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/examples/basic-crud-application/server/lib/util.ts b/examples/basic-crud-application/server/lib/util.ts
index 843c0b309a..e329b32004 100644
--- a/examples/basic-crud-application/server/lib/util.ts
+++ b/examples/basic-crud-application/server/lib/util.ts
@@ -7,8 +7,8 @@ export enum Errors {
 
 const errorValues: string[] = Object.values(Errors);
 
-export function sanitizeErrorMessage(message: string) {
-  if (errorValues.includes(message)) {
+export function sanitizeErrorMessage(message: any) {
+  if (typeof message === "string" && errorValues.includes(message)) {
     return message;
   } else {
     return "an unknown error has occurred";