From 0724caca315d81c8fdb047351b3bb56356f241ea Mon Sep 17 00:00:00 2001
From: VitaliiDC8 <127111625+VitaliiDC8@users.noreply.github.com>
Date: Fri, 25 Aug 2023 11:10:58 +0200
Subject: [PATCH] fix: convert empty string value to undefined for Number Field
 (#90)

---
 src/lib/core/components/Form/hooks/useField.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/lib/core/components/Form/hooks/useField.tsx b/src/lib/core/components/Form/hooks/useField.tsx
index e3bdb4d7..525a95f5 100644
--- a/src/lib/core/components/Form/hooks/useField.tsx
+++ b/src/lib/core/components/Form/hooks/useField.tsx
@@ -95,8 +95,8 @@ export const useField = <Value extends FieldValue, SpecType extends Spec>({
                 const error = validate?.(_value);
                 let value = transformArrIn(_value);
 
-                if (isNumberSpec(spec) && value && !error) {
-                    value = Number(value) as Value;
+                if (isNumberSpec(spec) && !error) {
+                    value = (value ? Number(value) : undefined) as Value;
                 }
 
                 let newChildErrors: Record<string, ValidateError> = {...state.childErrors};