From ff6b39854d2b599c6aef5688d92321b7e3b9fdd7 Mon Sep 17 00:00:00 2001
From: Anna Henningsen <anna.henningsen@mongodb.com>
Date: Thu, 15 Oct 2020 12:04:31 +0200
Subject: [PATCH] fix: make pid file writing work under Node.js 14.x

Node.js 14.x expects a string or Buffer, not a plain number, as the
`data` argument of `fs.writeFile()`.
---
 lib/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/index.js b/lib/index.js
index 1668835d..a5814c13 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -237,7 +237,7 @@ var start = function(opts, done) {
       },
       function(pid, pidPath, cb) {
         debug('Writing pid %d to', pid, pidPath);
-        fs.writeFile(pidPath, pid, cb);
+        fs.writeFile(pidPath, String(pid), cb);
       }
     ],
     done