From 9bd582e4e69fa7c368a0180cc7cf4ca37e320057 Mon Sep 17 00:00:00 2001
From: Nikhil Kumar Choudhary <112749017+fab-nikhil@users.noreply.github.com>
Date: Wed, 15 Oct 2025 17:04:54 +0000
Subject: [PATCH 1/2] fix: add check for undefined as well for
 unstable_getBoundingClientRect and getBoundingClientRect

---
 src/hooks/useBoundingClientRect.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hooks/useBoundingClientRect.ts b/src/hooks/useBoundingClientRect.ts
index cc85c8ced..32b8188d4 100644
--- a/src/hooks/useBoundingClientRect.ts
+++ b/src/hooks/useBoundingClientRect.ts
@@ -56,7 +56,7 @@ export function useBoundingClientRect(
     }
 
     // @ts-ignore 👉 https://github.com/facebook/react/commit/53b1f69ba
-    if (ref.current.unstable_getBoundingClientRect !== null) {
+    if (ref.current.unstable_getBoundingClientRect !== null && ref.current.unstable_getBoundingClientRect !== undefined) {
       // @ts-ignore https://github.com/facebook/react/commit/53b1f69ba
       const layout = ref.current.unstable_getBoundingClientRect();
       handler(layout);
@@ -64,7 +64,7 @@ export function useBoundingClientRect(
     }
 
     // @ts-ignore once it `unstable_getBoundingClientRect` gets stable 🤞.
-    if (ref.current.getBoundingClientRect !== null) {
+    if (ref.current.getBoundingClientRect !== null && ref.current.getBoundingClientRect !== undefined) {
       // @ts-ignore once it `unstable_getBoundingClientRect` gets stable.
       const layout = ref.current.getBoundingClientRect();
       handler(layout);

From 72f05dea4cf8318e7e7576e209fc33e6234e615b Mon Sep 17 00:00:00 2001
From: Nikhil Kumar Choudhary <112749017+fab-nikhil@users.noreply.github.com>
Date: Wed, 5 Nov 2025 13:20:20 +0530
Subject: [PATCH 2/2] Refactor getBoundingClientRect checks for functions

---
 src/hooks/useBoundingClientRect.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hooks/useBoundingClientRect.ts b/src/hooks/useBoundingClientRect.ts
index 32b8188d4..67294e427 100644
--- a/src/hooks/useBoundingClientRect.ts
+++ b/src/hooks/useBoundingClientRect.ts
@@ -56,7 +56,7 @@ export function useBoundingClientRect(
     }
 
     // @ts-ignore 👉 https://github.com/facebook/react/commit/53b1f69ba
-    if (ref.current.unstable_getBoundingClientRect !== null && ref.current.unstable_getBoundingClientRect !== undefined) {
+    if (typeof ref.current.unstable_getBoundingClientRect === 'function') {
       // @ts-ignore https://github.com/facebook/react/commit/53b1f69ba
       const layout = ref.current.unstable_getBoundingClientRect();
       handler(layout);
@@ -64,7 +64,7 @@ export function useBoundingClientRect(
     }
 
     // @ts-ignore once it `unstable_getBoundingClientRect` gets stable 🤞.
-    if (ref.current.getBoundingClientRect !== null && ref.current.getBoundingClientRect !== undefined) {
+    if (typeof ref.current.getBoundingClientRect === 'function') {
       // @ts-ignore once it `unstable_getBoundingClientRect` gets stable.
       const layout = ref.current.getBoundingClientRect();
       handler(layout);