From 945a8ac308ec4b25b2e2642e5f4d34a7bf5d9271 Mon Sep 17 00:00:00 2001
From: Bramus <bramus@bram.us>
Date: Sun, 24 Dec 2023 14:06:21 +0100
Subject: [PATCH] Only return 'normal' as the range when no value is given.
 (#185)
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Fixes the error “Can’t assign to property "rangeName": not an object”
---
 src/proxy-animation.js | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/proxy-animation.js b/src/proxy-animation.js
index 49d2c487..91acbff7 100644
--- a/src/proxy-animation.js
+++ b/src/proxy-animation.js
@@ -1799,14 +1799,17 @@ function parseTimelineRangeOffset(value, position) {
 
 // Parses a given animation-range value (string)
 function parseAnimationRange(value) {
+  if (!value)
+    return {
+      start: 'normal',
+      end: 'normal'
+    };
+  
   const animationRange = {
-    start: 'normal',
-    end: 'normal'
+    start: { rangeName: 'cover', offset: CSS.percent(0) },
+    end: { rangeName: 'cover', offset: CSS.percent(100) },
   };
 
-  if (!value)
-    return animationRange;
-
   // Format:
   // <start-name> <start-offset> <end-name> <end-offset>
   // <name> --> <name> 0% <name> 100%