@shorkiedev/mc-status/dist/utils/tcpPing.js

A simple ESM package that can check multiple minecraft server status.

/**
 * TCP Ping
 */
import { Socket } from "net";
/**
 * @param host - Hostname or IP
 * @param port - TCP port to ping (required)
 * @param timeout - Timeout in ms (default 3000)
 */
export async function tcpPing(host, port, timeout = 3000) {
    return new Promise((resolve) => {
        const socket = new Socket();
        let called = false;
        const start = Date.now();
        const fail = () => {
            if (!called) {
                called = true;
                resolve({ online: false, latency: null });
                socket.destroy();
            }
        };
        socket.setTimeout(timeout, fail);
        socket.once("error", fail);
        socket.connect(port, host, () => {
            if (!called) {
                called = true;
                resolve({ online: true, latency: Date.now() - start });
                socket.destroy();
            }
        });
    });
}
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