From 6563c18417dbcb4acb094db3c4d538a499daee4c Mon Sep 17 00:00:00 2001
From: lhonRafaat <lhontaekwondo@gmail.com>
Date: Thu, 28 Nov 2024 21:22:22 +0300
Subject: [PATCH] fix(common): return undefined if string type value is
 undefined

---
 packages/common/pipes/validation.pipe.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/common/pipes/validation.pipe.ts b/packages/common/pipes/validation.pipe.ts
index 11de63be218..ede40fb80eb 100644
--- a/packages/common/pipes/validation.pipe.ts
+++ b/packages/common/pipes/validation.pipe.ts
@@ -207,6 +207,9 @@ export class ValidationPipe implements PipeTransform<any> {
       return +value;
     }
     if (metatype === String) {
+      if (isUndefined(value)) {
+        return undefined;
+      }
       return String(value);
     }
     return value;