From dd99b7ee234f8c37ea3916a9f02d29a1a2c78a13 Mon Sep 17 00:00:00 2001
From: johnfabre <49779476+johnfabre@users.noreply.github.com>
Date: Mon, 12 Feb 2024 16:12:42 +0800
Subject: [PATCH] Use optional chaining when retrieving NODE_ENV

this will fix the issue where globalThis.process.env is undefined and it is still trying to retrieve NODE_ENV
---
 src/jsutils/instanceOf.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/jsutils/instanceOf.ts b/src/jsutils/instanceOf.ts
index c84bcb2afc..90171a71cc 100644
--- a/src/jsutils/instanceOf.ts
+++ b/src/jsutils/instanceOf.ts
@@ -9,7 +9,7 @@ import { inspect } from './inspect.js';
 export const instanceOf: (value: unknown, constructor: Constructor) => boolean =
   /* c8 ignore next 6 */
   // FIXME: https://github.com/graphql/graphql-js/issues/2317
-  globalThis.process != null && globalThis.process.env.NODE_ENV === 'production'
+  globalThis.process != null && globalThis.process.env != null && globalThis.process.env.NODE_ENV === 'production'
     ? function instanceOf(value: unknown, constructor: Constructor): boolean {
         return value instanceof constructor;
       }