netutil

utils to find free ports in a range, checking if a port is open, etc

Usage no npm install needed!

<script type="module">
  import netutil from 'https://cdn.skypack.dev/netutil';
</script>

provides:

Find the first free port on the server within the given range:

findFreePort(start, end, hostname, callback)

Check whether the given port is open:

isPortOpen(hostname, port, timeout, callback)

Get the hostname of the current server:

getHostName(callback)