From a08aaeea584a326c7d1a40cbcbd1b28b64c4e08c Mon Sep 17 00:00:00 2001
From: Ivan Goncharov <ivan.goncharov.ua@gmail.com>
Date: Thu, 22 Jun 2023 19:57:02 +0300
Subject: [PATCH] instanceOf: workaround bundler issue with `process.env`
 (#3923)

Fixes: #3919 #3920 #3921
---
 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 b917cfc3bf..05eac2ca89 100644
--- a/src/jsutils/instanceOf.ts
+++ b/src/jsutils/instanceOf.ts
@@ -9,7 +9,7 @@ import { inspect } from './inspect';
 export const instanceOf: (value: unknown, constructor: Constructor) => boolean =
   /* c8 ignore next 6 */
   // FIXME: https://github.com/graphql/graphql-js/issues/2317
-  globalThis.process?.env.NODE_ENV === 'production'
+  globalThis.process && globalThis.process.env.NODE_ENV === 'production'
     ? function instanceOf(value: unknown, constructor: Constructor): boolean {
         return value instanceof constructor;
       }