From 188b84ac072925b5781e524207676815ba8335b3 Mon Sep 17 00:00:00 2001
From: Krzysztof Piaskowy <krzysztof.piaskowy@swmansion.com>
Date: Thu, 13 Jun 2024 13:24:14 +0200
Subject: [PATCH] Fix SET in Expo Go

---
 .../apple/LayoutReanimation/REASharedTransitionManager.m | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/packages/react-native-reanimated/apple/LayoutReanimation/REASharedTransitionManager.m b/packages/react-native-reanimated/apple/LayoutReanimation/REASharedTransitionManager.m
index efcb4ff4ae08..619d66790687 100644
--- a/packages/react-native-reanimated/apple/LayoutReanimation/REASharedTransitionManager.m
+++ b/packages/react-native-reanimated/apple/LayoutReanimation/REASharedTransitionManager.m
@@ -27,7 +27,6 @@ @implementation REASharedTransitionManager {
   NSMutableSet<REAUIView *> *_reattachedViews;
   BOOL _isStackDropped;
   BOOL _isAsyncSharedTransitionConfigured;
-  BOOL _isConfigured;
   BOOL _clearScreen;
   BOOL _isInteractive;
   REAUIView *_disappearingScreen;
@@ -39,6 +38,14 @@ @implementation REASharedTransitionManager {
   different context of execution (self != REASharedTransitionManager)
 */
 static REASharedTransitionManager *_sharedTransitionManager;
+/*
+  It needs to be a static field because there is a possibility of instantiating
+  `REASharedTransitionManager` more than once, such as in Expo Go. Method swizzling
+  operates at the class level rather than the instance level, so `_isConfigured`
+  should also be a static field to inform every instance that the swizzling process
+  has occurred successfully.
+*/
+static BOOL _isConfigured = NO;
 
 - (instancetype)initWithAnimationsManager:(REAAnimationsManager *)animationManager
 {