Fixes check for root node

nampingg · Sep 22, 2020 · 7a2eef7 · 7a2eef7
1 parent 264e2f3
commit 7a2eef7
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/dom-utils/contains.js b/src/dom-utils/contains.js
@@ -1,7 +1,8 @@
 // @flow
 export default function contains(parent: Element, child: Element) {
   // $FlowFixMe: hasOwnProperty doesn't seem to work in tests
-  const isShadow = Boolean(child.getRootNode && child.getRootNode().host);
+  const rootNode = child.getRootNode && child.getRootNode();
+  isShadow = Boolean(rootNode && rootNode.host);
 
   // First, attempt with faster native method
   if (parent.contains(child)) {