From 199dd69297b0b120fbea2ef1cc2699eef8b4467a Mon Sep 17 00:00:00 2001
From: Ryan Carniato <ryansolid@gmail.com>
Date: Thu, 14 Nov 2024 14:43:13 -0800
Subject: [PATCH] fix reconcile null guard

---
 .changeset/fresh-apricots-remain.md   | 5 +++++
 packages/solid/store/src/modifiers.ts | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/fresh-apricots-remain.md

diff --git a/.changeset/fresh-apricots-remain.md b/.changeset/fresh-apricots-remain.md
new file mode 100644
index 000000000..3a23578af
--- /dev/null
+++ b/.changeset/fresh-apricots-remain.md
@@ -0,0 +1,5 @@
+---
+"solid-js": patch
+---
+
+fix reconcile null guard
diff --git a/packages/solid/store/src/modifiers.ts b/packages/solid/store/src/modifiers.ts
index 6f62f43f3..e7eae20c3 100644
--- a/packages/solid/store/src/modifiers.ts
+++ b/packages/solid/store/src/modifiers.ts
@@ -54,7 +54,7 @@ function applyState(
         end >= start &&
         newEnd >= start &&
         (previous[end] === target[newEnd] ||
-          (key && previous[start] && target[start] && previous[end][key] === target[newEnd][key]));
+          (key && previous[end] && target[newEnd] && previous[end][key] === target[newEnd][key]));
         end--, newEnd--
       ) {
         temp[newEnd] = previous[end];