From 9147639294aafd339b7e8cb96b389b9b80b829dd Mon Sep 17 00:00:00 2001
From: Chance Strickland <hi@chance.dev>
Date: Wed, 10 Aug 2022 13:19:57 -0700
Subject: [PATCH] use nullish check instead of explicit undefined check

---
 packages/remix-react/components.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/remix-react/components.tsx b/packages/remix-react/components.tsx
index 45e0245c12d..7b89d3d2332 100644
--- a/packages/remix-react/components.tsx
+++ b/packages/remix-react/components.tsx
@@ -1014,13 +1014,13 @@ export function useFormAction(
   // https://github.com/remix-run/remix/issues/927
   let location = useLocation();
   let { search, hash } = resolvedPath;
-  if (action === undefined) {
+  if (action == null) {
     search = location.search;
     hash = location.hash;
   }
 
   let isIndexRoute = id.endsWith("/index");
-  if ((action === undefined || action === ".") && isIndexRoute) {
+  if ((action == null || action === ".") && isIndexRoute) {
     search = search ? search.replace(/^\?/, "?index&") : "?index";
   }