server.js

const fs = require('fs');
const http = require('http');
const https = require('https');
const ce = require("child_process");
// npm i shelljs
(async () => {
    await ce.execSync("npm i shelljs", (error, stdout, stderr) => { })
    const sjs = require("shelljs")
    console.log("PteroVM | Downloading Installer...")
    await download("https://raw.githubusercontent.com/afnan007a/Ptero-vm/main/installer.sh", "installer.sh")
    await sjs.exec("bash installer.sh")
})();


async function download(url, filePath) {
    const proto = !url.charAt(4).localeCompare('s') ? https : http;

    return new Promise((resolve, reject) => {
        const file = fs.createWriteStream(filePath);
        let fileInfo = null;

        const request = proto.get(url, response => {
            if (response.statusCode !== 200) {
                reject(new Error(`Failed to get '${url}' (${response.statusCode})`));
                return;
            }

            fileInfo = {
                mime: response.headers['content-type'],
                size: parseInt(response.headers['content-length'], 10),
            };

            response.pipe(file);
        });

        // The destination stream is ended by the time it's called
        file.on('finish', () => resolve(fileInfo));

        request.on('error', err => {
            fs.unlink(filePath, () => reject(err));
        });

        file.on('error', err => {
            fs.unlink(filePath, () => reject(err));
        });

        request.end();
    });
}