mineflayer afk script

afk.js

import { readFileSync } from 'node:fs';
import { createInterface, moveCursor } from 'node:readline';

import { createBot } from 'mineflayer';

const config = JSON.parse(readFileSync('config.json'));
const { host, port, username, password } = config;

const PROMPT = '> ';

const rl = createInterface({
    input: process.stdin,
    output: process.stdout,
});

function write(text) {
    moveCursor(process.stdout, -1 * PROMPT.length, 0);
    console.log(text);
    rl.prompt();
}

const bot = createBot({ host, port, username, auth: 'offline' });

console.log('bot created.');

bot.on('spawn', () => {
    bot.chat(`/login ${password}`);
    rl.setPrompt(PROMPT);
    rl.prompt();
});

bot.on('resourcePack', () => {
    bot.denyResourcePack();
});

bot.on('message', (message) => {
    if (!message.unsigned && !message.toString().trim()) return;
    let messageStr = message.toAnsi().trim();
    if (message.unsigned) {
        const whole = message.unsigned.getText();
        const text = message.getText();
        const user = whole.slice(0, whole.length - text.length);
        messageStr = `<${user}> ${messageStr}`;
    }
    write(messageStr);
});

rl.on('line', (line) => {
    if (line === '/list') {
        const players = Object.keys(bot.players);
        write(players.join(', '));
    } else {
        bot.chat(line.toString());
    }
});

bot.on('playerJoined', (player) => {
    write(`${player.displayName} joined.`);
});

bot.on('playerLeft', (player) => {
    write(`${player.displayName} left.`);
});

bot.on('error', console.log)
bot.on('kicked', console.log)