From f23e5adc0710dbd5e9942cdc4b6e1003b68abf49 Mon Sep 17 00:00:00 2001
From: mertsincan <sincan.mert@gmail.com>
Date: Tue, 4 Jul 2023 01:01:00 +0100
Subject: [PATCH] Fixed #4014 - The `getScrollableParents` method throws a
 exception in shadow dom

---
 components/lib/utils/DomHandler.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/components/lib/utils/DomHandler.js b/components/lib/utils/DomHandler.js
index b5fcbf414..7ba42a774 100755
--- a/components/lib/utils/DomHandler.js
+++ b/components/lib/utils/DomHandler.js
@@ -357,9 +357,13 @@ export default {
             const overflowRegex = /(auto|scroll)/;
 
             const overflowCheck = (node) => {
-                let styleDeclaration = window['getComputedStyle'](node, null);
+                try {
+                    let styleDeclaration = window['getComputedStyle'](node, null);
 
-                return overflowRegex.test(styleDeclaration.getPropertyValue('overflow')) || overflowRegex.test(styleDeclaration.getPropertyValue('overflowX')) || overflowRegex.test(styleDeclaration.getPropertyValue('overflowY'));
+                    return overflowRegex.test(styleDeclaration.getPropertyValue('overflow')) || overflowRegex.test(styleDeclaration.getPropertyValue('overflowX')) || overflowRegex.test(styleDeclaration.getPropertyValue('overflowY'));
+                } catch (err) {
+                    return false;
+                }
             };
 
             for (let parent of parents) {