From 7eee91516d75c576568745455065f0155f0d41e6 Mon Sep 17 00:00:00 2001
From: mleister97 <michael.leister97@gmx.at>
Date: Tue, 22 Jul 2025 21:27:30 +0200
Subject: [PATCH] [fix] isBodyOverflowing returns false when overflow-y: scroll

fixes https://github.com/react-component/portal/issues/25
---
 src/util.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/util.ts b/src/util.ts
index bfdb9a1..2e4aa22 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -2,6 +2,9 @@
  * Test usage export. Do not use in your production
  */
 export function isBodyOverflowing() {
+  if (window.getComputedStyle(document.body).overflowY === 'scroll')
+    return true;
+
   return (
     document.body.scrollHeight >
       (window.innerHeight || document.documentElement.clientHeight) &&