minecraft-java-core/test/index.js

const { Launch, Microsoft } = require('../index');
const launch = new Launch();
const fs = require('fs');

let save = true;
let client_id = '13f589e1-e2fc-443e-a68a-63b0092b8eeb'
let mc

async function main() {
    if (save) {
        if (!fs.existsSync('./account.json')) {
            mc = await new Microsoft(client_id).getAuth();
            fs.writeFileSync('./account.json', JSON.stringify(mc, null, 4));
        } else {
            mc = JSON.parse(fs.readFileSync('./account.json'));
            
            if (!mc.refresh_token) {
                mc = await new Microsoft(client_id).getAuth();
                fs.writeFileSync('./account.json', JSON.stringify(mc, null, 4));
            } else {
                mc = await new Microsoft(client_id).refresh(mc);
                fs.writeFileSync('./account.json', JSON.stringify(mc, null, 4));
            }
        }
    } else {
        mc = await new Microsoft(client_id).getAuth();
    }

    let opts = {
        url: 'http://91.121.45.6',
        authenticator: mc,
        path: "./.Minecraft",
        version: "1.7.10",
        detached: false,
        java: true,
        args: [],
        screen: {
            width: 1280,
            height: 720,
            fullscreen: false
        },
        modde: true,
        verify: true,
        ignored: ["crash-reports", "logs", "resourcepacks", "resources", "saves", "shaderpacks", "options.txt", "optionsof.txt", 'servers.dat'],

        memory: {
            min: `2G`,
            max: `4G`
        }
    }

    launch.Launch(opts)

    launch.on('progress', (DL, totDL) => {
        console.log(`${(DL / 1067008).toFixed(2)} Mb to ${(totDL / 1067008).toFixed(2)} Mb`);
    });

    launch.on('estimated', (time) => {
        let hours = Math.floor(time / 3600);
        let minutes = Math.floor((time - hours * 3600) / 60);
        let seconds = Math.floor(time - hours * 3600 - minutes * 60);
        console.log(`${hours}h ${minutes}m ${seconds}s`);
    })

    launch.on('data', (e) => {
        console.log(e)
    })

    launch.on('close', (e) => {
        console.log('Game closed with code')
    })
}
main();