From 97760104c0fd311206b88aecd91fa1f59fe2b85a Mon Sep 17 00:00:00 2001
From: Kris Zyp <kriszyp@gmail.com>
Date: Sat, 12 Mar 2022 07:19:20 -0700
Subject: [PATCH] Perform argument check for putString

---
 src/txn.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/txn.cpp b/src/txn.cpp
index 081f4d949e..59acdffdcc 100644
--- a/src/txn.cpp
+++ b/src/txn.cpp
@@ -295,6 +295,8 @@ Nan::NAN_METHOD_RETURN_TYPE TxnWrap::putCommon(Nan::NAN_METHOD_ARGS_TYPE info, v
 }
 
 NAN_METHOD(TxnWrap::putString) {
+    if (!info[2]->IsString())
+        return Nan::ThrowError("Value must be a string.");
     return putCommon(info, [](Nan::NAN_METHOD_ARGS_TYPE info, MDB_val &data) -> void {
         CustomExternalStringResource::writeTo(Local<String>::Cast(info[2]), &data);
     }, [](MDB_val &data) -> void {