From e807c3959add0d394c679d19d5f6dd0ab340645f Mon Sep 17 00:00:00 2001
From: schlagmichdoch <schlagmichdoch@users.noreply.github.com>
Date: Tue, 19 Sep 2023 17:53:21 +0200
Subject: [PATCH] fix #157: catch EADDRINUSE to prevent endless restarts if the
 port is already in use

---
 index.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/index.js b/index.js
index ddd02ed..ae50931 100644
--- a/index.js
+++ b/index.js
@@ -124,6 +124,14 @@ if (process.argv.includes('--localhost-only')) {
     server.listen(port);
 }
 
+server.on('error', (err) => {
+    if (err.code === 'EADDRINUSE') {
+        console.error(err);
+        console.info("Error EADDRINUSE received, exiting process without restarting process...");
+        process.exit(0)
+    }
+});
+
 class PairDropServer {
 
     constructor() {