GitLab Group Downloader - Downloads all projects from a given group in GitLab. Takes two arguments: id of the group and then a folder name to save the projects to

gitlab-downloader.js

var fs = require('fs');
var path = require('path');
const https = require('https');
const cliProgress = require('cli-progress');
const decompress = require("decompress");

async function download()
{
    if (!fs.existsSync(path.join(__dirname, "downloads")))
        fs.mkdirSync(path.join(__dirname, "downloads"));
    
    let groupId = process.argv[2]
    let name = process.argv[3]

    if (groupId == null)
        throw new Error("No group id passed");
    
    if (name == null)
        throw new Error("No download name specified")

    if (fs.existsSync(path.join(__dirname, "downloads", name)))
        throw new Error("A folder with this name already exists!")
    
    fs.mkdirSync(path.join(__dirname, "downloads", name))
    
    const accessToken = "--REPLACE_ACCESS_TOKEN--";
    
    let projects = [];
    
    let response = null;
    let page = 1;
    do
    { 
        response = await (await fetch(`https://gitlab.com/api/v4/groups/${groupId}/projects?access_token=${accessToken}&page=${page}`)).json();  
        projects.push(...response.map(x => ({id: x.id, name: x.name})))   
        page++;
    }
    while(response?.length == 20)

    const bar = new cliProgress.SingleBar({}, cliProgress.Presets.shades_classic);
    bar.start(projects.length, 0);
    
    let counter = 0;

    for(let project of projects)
    {
        const fileStream = fs.createWriteStream(path.join(__dirname, "temp.zip"));
        await new Promise((resolve, reject) => {
            https.get(`https://gitlab.com/api/v4/projects/${project.id}/repository/archive.zip?access_token=${accessToken}`, function(response) {
                response.pipe(fileStream);

                fileStream.on("finish", resolve);
            }).on('error', reject);
        });
        await decompress("temp.zip", "temp")
        let folder = fs.readdirSync(path.join(__dirname, "temp"))[0];
        fs.renameSync(path.join(__dirname, "temp", folder), path.join(__dirname, "downloads", name, project.name))
        fs.rmdirSync("temp");
        fs.rmSync("temp.zip");

        counter++;
        bar.update(counter);
        await new Promise(r => setTimeout(r, 10000));
    }

    bar.stop();
    console.log("Download finished!");
}

download();