Lance Whatley whatl3y
whatl3y
/ isPortTaken.js
Last active
December 5, 2019 15:13
— forked from timoxley/isPortTaken.js
check if a port is being used with nodejs
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| const net = require('net') | |
| function isPortTaken(port) { | |
| return new Promise((resolve, reject) => { | |
| const tester = net.createServer() | |
| tester.once('error', err => { | |
| if (err.code != 'EADDRINUSE') | |
| return reject(err) | |
| resolve(true) | |
| }) |