listen-port

Retrieve the port(s) that a process is listening on. Executes lsof behind the scenes.

usage

import port from 'listen-port'
 
port(`tor`)
  .then(ports => console.log(`tor is listening on ${ports}`))
  .catch(console.error)

api

port(query)

Returns a single value as a Number or an Array of multiple values.

query

A String containing a COMMAND or a PID as a Number.