From 625610209b4b9e8dc2e47a1ca34f1acbcdd128f3 Mon Sep 17 00:00:00 2001
From: Michael Lumish <mlumish@google.com>
Date: Mon, 16 Mar 2020 14:31:51 -0700
Subject: [PATCH] grpc-js: Unref deadline filter timer optionally

---
 packages/grpc-js/src/deadline-filter.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/grpc-js/src/deadline-filter.ts b/packages/grpc-js/src/deadline-filter.ts
index f659c866..9dd548c9 100644
--- a/packages/grpc-js/src/deadline-filter.ts
+++ b/packages/grpc-js/src/deadline-filter.ts
@@ -66,7 +66,7 @@ export class DeadlineFilter extends BaseFilter implements Filter {
           'Deadline exceeded'
         );
       }, timeout);
-      this.timer.unref();
+      this.timer.unref?.();
     }
   }