From 9d21aa116439bfccc95637944ec20d359fafe413 Mon Sep 17 00:00:00 2001
From: Almog Tavor <70065337+almogtavor@users.noreply.github.com>
Date: Fri, 23 Jul 2021 19:49:26 +0300
Subject: [PATCH] [fix] tracking whether transition has started (#6399)

---
 src/runtime/internal/transitions.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/runtime/internal/transitions.ts b/src/runtime/internal/transitions.ts
index f7b6b6d86a..c3196e35e3 100644
--- a/src/runtime/internal/transitions.ts
+++ b/src/runtime/internal/transitions.ts
@@ -143,7 +143,8 @@ export function create_in_transition(node: Element & ElementCSSInlineStyle, fn:
 	return {
 		start() {
 			if (started) return;
-
+			
+			started = true;
 			delete_rule(node);
 
 			if (is_function(config)) {