From 72407fd9977045e160a50e8bd5c5cd22c04c36e1 Mon Sep 17 00:00:00 2001
From: Mike Bostock <mbostock@gmail.com>
Date: Tue, 30 Jul 2024 13:02:49 -0400
Subject: [PATCH] fix crash in hasSelection

---
 src/collapsed.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/collapsed.js b/src/collapsed.js
index 9d47071..d391910 100644
--- a/src/collapsed.js
+++ b/src/collapsed.js
@@ -11,8 +11,8 @@ function hasSelection(elem) {
   return (
     sel.type === "Range" &&
     (sel.containsNode(elem, true) ||
-      sel.anchorNode.isSelfOrDescendant(elem) ||
-      sel.focusNode.isSelfOrDescendant(elem))
+      elem.contains(sel.anchorNode) ||
+      elem.contains(sel.focusNode))
   );
 }