From 05edb2524c641c193d854d5ec0ae8d0ceb699c0e Mon Sep 17 00:00:00 2001
From: anvarbek <anvarbekdev@gmail.com>
Date: Tue, 20 Oct 2026 16:58:17 +0900
Subject: [PATCH] Fix Switch crash when onChange fires after view recycle

Guard _eventEmitter in RCTSwitchComponentView onChange before
dispatch, matching ScrollView/Image/Modal. prepareForRecycle clears
the emitter while UISwitch can still deliver a deferred ValueChanged.

Fixes #59203

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 .../Mounting/ComponentViews/Switch/RCTSwitchComponentView.mm  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/react-native/React/Fabric/Mounting/ComponentViews/Switch/RCTSwitchComponentView.mm b/packages/react-native/React/Fabric/Mounting/ComponentViews/Switch/RCTSwitchComponentView.mm
index a7484b3b05fb..5a9696cbae47 100644
--- a/packages/react-native/React/Fabric/Mounting/ComponentViews/Switch/RCTSwitchComponentView.mm
+++ b/packages/react-native/React/Fabric/Mounting/ComponentViews/Switch/RCTSwitchComponentView.mm
@@ -110,6 +110,10 @@ - (void)onChange:(UISwitch *)sender
     return;
   }
 
+  if (!_eventEmitter) {
+    return;
+  }
+
   static_cast<const SwitchEventEmitter &>(*_eventEmitter)
       .onChange(SwitchEventEmitter::OnChange{.value = static_cast<bool>(sender.on)});
 }