From 55f29d2b1efcec2f24203d2abe096709900ddb1d Mon Sep 17 00:00:00 2001
From: Bramus! <bramus@bram.us>
Date: Wed, 13 Sep 2023 21:28:34 +0200
Subject: [PATCH] Stop processing ScrollTimeline props if no animation-related
 properties have been declared (#154)
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* Don’t bother extracting data from animation-related properties if there are none declared

* Code formatting
---
 src/scroll-timeline-css-parser.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/scroll-timeline-css-parser.js b/src/scroll-timeline-css-parser.js
index f1fc1ad2..ed6512a3 100644
--- a/src/scroll-timeline-css-parser.js
+++ b/src/scroll-timeline-css-parser.js
@@ -212,6 +212,10 @@ export class StyleParser {
     this.saveSourceSelectorToScrollTimeline(rule);
     this.saveSubjectSelectorToViewTimeline(rule);
 
+    if (!hasAnimationTimeline && !hasAnimationName && !hasAnimation) {
+      return;
+    }
+
     let timelineNames = [];
     let animationNames = [];
     let shouldReplacePart = false;