From 16f185e5447bc58ed78e924f283bc9ea2d6af131 Mon Sep 17 00:00:00 2001
From: Vladimir Kharlampidi <nolimits4web@gmail.com>
Date: Tue, 23 Feb 2021 13:28:40 +0300
Subject: [PATCH] fix(core): don't toggle zoom during transition

Fixes #4259
---
 src/components/zoom/zoom.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/components/zoom/zoom.js b/src/components/zoom/zoom.js
index fccd6843d..aaba8b798 100644
--- a/src/components/zoom/zoom.js
+++ b/src/components/zoom/zoom.js
@@ -646,7 +646,12 @@ export default {
       swiper.zoom.onTouchEnd(e);
     },
     doubleTap(swiper, e) {
-      if (swiper.params.zoom.enabled && swiper.zoom.enabled && swiper.params.zoom.toggle) {
+      if (
+        !swiper.animating &&
+        swiper.params.zoom.enabled &&
+        swiper.zoom.enabled &&
+        swiper.params.zoom.toggle
+      ) {
         swiper.zoom.toggle(e);
       }
     },