'use strict' const mc = require('minecraft-protocol') if (process.argv.length < 4 || process.argv.length > 6) { console.log('Usage : node echo.js ') process.exit(1) } const client = mc.createClient({ host: process.argv[2], port: parseInt(process.argv[3]), username: process.argv[4], // your microsoft account email // password: process.argv[5], // your microsoft account password auth: 'microsoft' // This option must be present and set to 'microsoft' to use Microsoft Account Authentication. Failure to do so will result in yggdrasil throwing invalid account information. }) client.on('connect', function () { console.info('connected') }) client.on('disconnect', function (packet) { console.log('disconnected: ' + packet.reason) }) client.on('chat', function (packet) { const jsonMsg = JSON.parse(packet.message) if (jsonMsg.translate === 'chat.type.announcement' || jsonMsg.translate === 'chat.type.text') { const username = jsonMsg.with[0].text const msg = jsonMsg.with[1] if (username === client.username) return client.write('chat', { message: msg }) } })