From d6024dcd64da636c7010ec2bba6e2e50970ae4ed Mon Sep 17 00:00:00 2001
From: Andrew Duthie <andrew@andrewduthie.com>
Date: Fri, 28 Feb 2020 16:55:53 -0500
Subject: [PATCH] Block Editor: Clear toolbar timeout by ref on unmount

---
 packages/block-editor/src/components/block-toolbar/utils.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/block-editor/src/components/block-toolbar/utils.js b/packages/block-editor/src/components/block-toolbar/utils.js
index 7f7accf7c8784..de44e2d69641b 100644
--- a/packages/block-editor/src/components/block-toolbar/utils.js
+++ b/packages/block-editor/src/components/block-toolbar/utils.js
@@ -59,6 +59,8 @@ export function useDebouncedShowMovers( {
 		[ isFocused ]
 	);
 
+	useEffect( () => () => clearTimeout( timeoutRef.current ) );
+
 	return {
 		showMovers,
 		debouncedShowMovers,