Fixed #2352 - Dropdown breaks in shadowRoot when getScrollableParent(…

…) encounters document fragment
primefaces · Nov 3, 2021 · 2eb20fa · 2eb20fa
1 parent 04dc17d
commit 2eb20fa
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/components/utils/DomHandler.js b/src/components/utils/DomHandler.js
@@ -493,8 +493,8 @@ export default class DomHandler {
             let parents = this.getParents(element);
             const overflowRegex = /(auto|scroll)/;
             const overflowCheck = (node) => {
-                let styleDeclaration = window['getComputedStyle'](node, null);
-                return overflowRegex.test(styleDeclaration.getPropertyValue('overflow')) || overflowRegex.test(styleDeclaration.getPropertyValue('overflowX')) || overflowRegex.test(styleDeclaration.getPropertyValue('overflowY'));
+                let styleDeclaration = node ? getComputedStyle(node) : null;
+                return styleDeclaration && (overflowRegex.test(styleDeclaration.getPropertyValue('overflow')) || overflowRegex.test(styleDeclaration.getPropertyValue('overflowX')) || overflowRegex.test(styleDeclaration.getPropertyValue('overflowY')));
             };
 
             for (let parent of parents) {