From 7fff4499fd915bcea3fa93b1aa8b35f4fe7a6027 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Sun, 28 May 2017 00:38:50 +0200
Subject: add linting (and some initial fixes)

---
 node_modules/get-port/index.js | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 node_modules/get-port/index.js

(limited to 'node_modules/get-port/index.js')

diff --git a/node_modules/get-port/index.js b/node_modules/get-port/index.js
new file mode 100644
index 000000000..de99a3662
--- /dev/null
+++ b/node_modules/get-port/index.js
@@ -0,0 +1,20 @@
+'use strict';
+const net = require('net');
+
+const getPort = port => new Promise((resolve, reject) => {
+	const server = net.createServer();
+
+	server.unref();
+	server.on('error', reject);
+
+	server.listen(port, () => {
+		const port = server.address().port;
+		server.close(() => {
+			resolve(port);
+		});
+	});
+});
+
+module.exports = preferredPort => preferredPort ?
+	getPort(preferredPort).catch(() => getPort(0)) :
+	getPort(0);
-- 
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