From 60f381a8b9094e7dfaf01bea1b745d576cc458f6 Mon Sep 17 00:00:00 2001
From: Samuel Susla <samuelsusla@meta.com>
Date: Fri, 17 Feb 2023 14:50:53 -0800
Subject: [PATCH] Fix a crash when reloading the JS bundle

Summary:
changelog: [iOS][Fixed] Fix a crash when reloading JS bundle

Do not crash if self is nil.

Reviewed By: blakef

Differential Revision: D43352039

fbshipit-source-id: dd53677ca152d4021e43ed8d0f1b51c071ca3365
---
 React/CoreModules/RCTDevSplitBundleLoader.mm | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/React/CoreModules/RCTDevSplitBundleLoader.mm b/React/CoreModules/RCTDevSplitBundleLoader.mm
index 8eb756db0e0232..9dd1b0ebd3ebf2 100644
--- a/React/CoreModules/RCTDevSplitBundleLoader.mm
+++ b/React/CoreModules/RCTDevSplitBundleLoader.mm
@@ -63,10 +63,12 @@ + (BOOL)requiresMainQueueSetup
             return;
           }
           __typeof(self) strongSelf = weakSelf;
-          strongSelf->_loadScript(source);
-          RCTDevSettings *devSettings = [strongSelf->_moduleRegistry moduleForName:"RCTDevSettings"];
-          [devSettings setupHMRClientWithAdditionalBundleURL:source.url];
-          resolve(@YES);
+          if (strongSelf) {
+            strongSelf->_loadScript(source);
+            RCTDevSettings *devSettings = [strongSelf->_moduleRegistry moduleForName:"RCTDevSettings"];
+            [devSettings setupHMRClientWithAdditionalBundleURL:source.url];
+            resolve(@YES);
+          }
         }];
   }
 }