docs: fix basic crud example

Related: #4213
socketio · Dec 16, 2021 · c196689 · c196689
1 parent 7a70f63
commit c196689
Showing 1 changed file with 2 additions and 2 deletions.
diff --git 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";