From 426595f1c63fe9a08442148a85450893797b73de Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20van=20der=20Sande?=
 <jeremie.van-der-sande@ubisoft.com>
Date: Fri, 2 Dec 2022 15:55:36 +0100
Subject: [PATCH] [@mantine/form] fix type inference of validation in strict
 mode

---
 src/mantine-form/src/types.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mantine-form/src/types.ts b/src/mantine-form/src/types.ts
index 21b12db1fb0..0beda61f619 100644
--- a/src/mantine-form/src/types.ts
+++ b/src/mantine-form/src/types.ts
@@ -21,7 +21,7 @@ export interface ReorderPayload {
 
 type Rule<Value, Values> = (value: Value, values: Values, path: string) => React.ReactNode;
 
-type FormRule<Value, Values> = Value extends Array<infer ListValue>
+type FormRule<Value, Values> = NonNullable<Value> extends Array<infer ListValue>
   ?
       | Partial<{
           [Key in keyof ListValue]: ListValue[Key] extends Array<infer NestedListItem>
@@ -29,7 +29,7 @@ type FormRule<Value, Values> = Value extends Array<infer ListValue>
             : FormRulesRecord<ListValue[Key]> | Rule<ListValue[Key], Values>;
         }>
       | Rule<Value, Values>
-  : Value extends Record<string, unknown>
+  : NonNullable<Value> extends Record<string, unknown>
   ? FormRulesRecord<Value> | Rule<Value, Values>
   : Rule<Value, Values>;