From c0055907f76cf4d9bc7583e09eb305afbb60a404 Mon Sep 17 00:00:00 2001
From: Edmund Hung <me@edmund.dev>
Date: Sun, 28 Apr 2024 22:24:41 +0200
Subject: [PATCH] fix: setValue should work with null (#608)

---
 packages/conform-dom/formdata.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/conform-dom/formdata.ts b/packages/conform-dom/formdata.ts
index 264d39dd..7cf18a37 100644
--- a/packages/conform-dom/formdata.ts
+++ b/packages/conform-dom/formdata.ts
@@ -120,7 +120,8 @@ export function setValue(
 		const nextKey = paths[index + 1];
 		const newValue =
 			index != lastIndex
-				? Object.prototype.hasOwnProperty.call(pointer, key)
+				? Object.prototype.hasOwnProperty.call(pointer, key) &&
+				  pointer[key] !== null
 					? pointer[key]
 					: typeof nextKey === 'number'
 					? []