From fe6341eefc7463c456d07e606c206f81838c029f Mon Sep 17 00:00:00 2001
From: Yakko Majuri <38760734+yakkomajuri@users.noreply.github.com>
Date: Tue, 9 Mar 2021 13:25:55 +0000
Subject: [PATCH] Handle event undefined in initMoveObserver (#515)

---
 src/record/observer.ts | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/record/observer.ts b/src/record/observer.ts
index bfbf1a8a..cb996425 100644
--- a/src/record/observer.ts
+++ b/src/record/observer.ts
@@ -202,10 +202,12 @@ function initMouseInteractionObserver(
       if (isBlocked(event.target as Node, blockClass)) {
         return;
       }
+      const e = isTouchEvent(event) ? event.changedTouches[0] : event;
+      if (!e) {
+        return;
+      }
       const id = mirror.getId(event.target as INode);
-      const { clientX, clientY } = isTouchEvent(event)
-        ? event.changedTouches[0]
-        : event;
+      const { clientX, clientY } = e;
       cb({
         type: MouseInteractions[eventKey],
         id,