mirror of
https://github.com/Xahau/xahau.js.git
synced 2025-11-20 12:15:51 +00:00
20 lines
504 B
TypeScript
20 lines
504 B
TypeScript
import net from 'net';
|
|
|
|
// using a free port instead of a constant port enables parallelization
|
|
export function getFreePort() {
|
|
return new Promise((resolve, reject) => {
|
|
const server = net.createServer();
|
|
let port;
|
|
server.on('listening', function() {
|
|
port = (server.address() as any).port;
|
|
server.close();
|
|
});
|
|
server.on('close', function() {
|
|
resolve(port);
|
|
});
|
|
server.on('error', function(error) {
|
|
reject(error);
|
|
});
|
|
server.listen(0);
|
|
});
|
|
} |