From 4f90c72cf3f9e3edc9829ca35586d0be2d92dff5 Mon Sep 17 00:00:00 2001
From: Nikita Barabanov <nt9142@gmail.com>
Date: Wed, 23 Oct 2019 01:14:08 +0300
Subject: [PATCH] CSURF cookie "key" option is not required. (#39182)

---
 types/csurf/index.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/types/csurf/index.d.ts b/types/csurf/index.d.ts
index 2a626d227b..ee0d18568b 100644
--- a/types/csurf/index.d.ts
+++ b/types/csurf/index.d.ts
@@ -24,7 +24,7 @@ declare module "csurf" {
 
   namespace csurf {
     export interface CookieOptions extends express.CookieOptions {
-      key: string;
+      key?: string;
     }
   }