From 2a9f8ed7ae825216c6bad5b89d33a9f50e254b74 Mon Sep 17 00:00:00 2001
From: Bramus <bramus@bram.us>
Date: Sat, 23 Dec 2023 23:33:26 +0100
Subject: [PATCH] =?UTF-8?q?Don=E2=80=99t=20try=20ticking=20the=20animation?=
 =?UTF-8?q?=20if=20there=20are=20no=20details?=
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---
 src/proxy-animation.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/proxy-animation.js b/src/proxy-animation.js
index 49d2c487..eee8dc9e 100644
--- a/src/proxy-animation.js
+++ b/src/proxy-animation.js
@@ -633,6 +633,8 @@ function playInternal(details, autoRewind) {
 
 function tickAnimation(timelineTime) {
   const details = proxyAnimations.get(this);
+  if (!details) return;
+
   if (timelineTime == null) {
     // While the timeline is inactive, it's effect should not be applied.
     // To polyfill this behavior, we cancel the underlying animation.