presenton/app/utils.ts
2025-05-10 19:57:24 +05:45

44 lines
No EOL
1 KiB
TypeScript

import net from 'net'
import treeKill from 'tree-kill'
export function killProcess(pid: number) {
return new Promise((resolve, reject) => {
treeKill(pid, "SIGTERM", (err: any) => {
if (err) {
console.error(`Error killing process ${pid}:`, err)
reject(err)
} else {
console.log(`Process ${pid} killed`)
resolve(true)
}
})
})
}
export async function findTwoUnusedPorts(startPort: number = 40000): Promise<[number, number]> {
const ports: number[] = [];
const isPortAvailable = (port: number): Promise<boolean> => {
return new Promise((resolve) => {
const server = net.createServer();
server.once('error', () => {
resolve(false);
});
server.once('listening', () => {
server.close();
resolve(true);
});
server.listen(port);
});
};
let currentPort = startPort;
while (ports.length < 2) {
if (await isPortAvailable(currentPort)) {
ports.push(currentPort);
}
currentPort++;
}
return [ports[0], ports[1]];
}