From bc021ce550f1aedfaabb2e51d95ca0bd8bb211ed Mon Sep 17 00:00:00 2001
From: streamich <streamich@gmail.com>
Date: Sat, 23 Mar 2019 08:40:31 +0100
Subject: [PATCH] =?UTF-8?q?fix:=20=F0=9F=90=9B=20cancel=20animation=20fram?=
 =?UTF-8?q?e=20on=20un-mount=20in=20useWindowScroll()?=
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---
 src/useWindowScroll.ts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/useWindowScroll.ts b/src/useWindowScroll.ts
index 4003c7d469..234f119423 100644
--- a/src/useWindowScroll.ts
+++ b/src/useWindowScroll.ts
@@ -16,7 +16,6 @@ const useWindowScroll = (): State => {
   useEffect(() => {
     const handler = () => {
       cancelAnimationFrame(frame.current)
-
       frame.current = requestAnimationFrame(() => {
         setState({
           x: window.scrollX,
@@ -30,7 +29,10 @@ const useWindowScroll = (): State => {
       passive: true
     })
 
-    return () => window.removeEventListener('scroll', handler)
+    return () => {
+      cancelAnimationFrame(frame.current);
+      window.removeEventListener('scroll', handler);
+    };
   }, [])
 
   return state