From 09cd28a52469bdefae9c6f7877fee54b6613c063 Mon Sep 17 00:00:00 2001
From: Mikael Finstad <finstaden@gmail.com>
Date: Wed, 18 Dec 2019 23:09:49 +0700
Subject: [PATCH] Fix unref error (#400)

* Update kill.js

* Update kill.js

* Update lib/kill.js

Co-Authored-By: ehmicky <ehmicky@users.noreply.github.com>
---
 lib/kill.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/lib/kill.js b/lib/kill.js
index dc1c77c38..813cf2e08 100644
--- a/lib/kill.js
+++ b/lib/kill.js
@@ -18,9 +18,14 @@ const setKillTimeout = (kill, signal, options, killResult) => {
 	}
 
 	const timeout = getForceKillAfterTimeout(options);
-	setTimeout(() => {
+	const t = setTimeout(() => {
 		kill('SIGKILL');
-	}, timeout).unref();
+	}, timeout);
+
+	// istanbul ignore else
+	if (t.unref) {
+		t.unref();
+	}
 };
 
 const shouldForceKill = (signal, {forceKillAfterTimeout}, killResult) => {