From 4bb656115dab8653f82cf880678ba7dac43b123b Mon Sep 17 00:00:00 2001
From: Edmund Hung <edmund@cloudflare.com>
Date: Tue, 17 Sep 2024 22:26:27 +0100
Subject: [PATCH] fix(conform-react): auto update value for checkbox group

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

diff --git a/packages/conform-react/hooks.ts b/packages/conform-react/hooks.ts
index 50773bc2..0257dc52 100644
--- a/packages/conform-react/hooks.ts
+++ b/packages/conform-react/hooks.ts
@@ -178,7 +178,8 @@ export function useForm<
 						'checked' in element &&
 						(element.type === 'checkbox' || element.type === 'radio')
 					) {
-						element.checked = get(defaultValue) === element.value;
+						element.checked =
+							getAll(defaultValue)?.includes(element.value) ?? false;
 					} else {
 						element.value = get(defaultValue) ?? '';
 					}