From 363a8fb08cef8326bba53cd3ea250bde02444126 Mon Sep 17 00:00:00 2001
From: Paige Sun <paigesun@fb.com>
Date: Tue, 3 Aug 2021 16:39:39 -0700
Subject: [PATCH] iOS: Log error when invalid NSNull data is passed to
 RCTAsyncLocalStorage

Summary: Changelog: [Internal]

Differential Revision: D30081478

fbshipit-source-id: 7d425e71b020eaeb4eb1b33b500fbf5df7ea9c29
---
 React/CoreModules/RCTAsyncLocalStorage.mm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/React/CoreModules/RCTAsyncLocalStorage.mm b/React/CoreModules/RCTAsyncLocalStorage.mm
index 3276d152013..f0fb9081a22 100644
--- a/React/CoreModules/RCTAsyncLocalStorage.mm
+++ b/React/CoreModules/RCTAsyncLocalStorage.mm
@@ -306,7 +306,11 @@ RCT_EXPORT_MODULE()
   if (errorOut) {
     return errorOut;
   }
+  if (![entry[1] isKindOfClass:[NSString class]]) {
+    return RCTMakeAndLogError(@"Invalid value for entry - must be a string. Got entry: ", entry, nil);
+  }
   NSString *value = entry[1];
+
   NSString *filePath = [self _filePathForKey:key];
   NSError *error;
   if (value.length <= RCTInlineValueThreshold) {