Camscanner Folder download stuffs by NodeJS

var Client = require('ftp');
const fs = require('fs');

var c = new Client();

const checkPdf = (file) => {
    return file.name.endsWith('.pdf');
}

c.on('ready', function() {
  c.list("/CamScanner", function(err, list) {
    if (err) throw err;
    list = list.filter(checkPdf);
    list = list.sort((a, b) => b.date - a.date);
    console.dir(list[0]);
    c.get(`/CamScanner/${list[0].name}`, function(err, stream) {
        if (err) throw err;
        stream.once('close', function() { c.end(); });
        stream.pipe(fs.createWriteStream('local-copy.pdf'));
      });
  });
});

c.connect({host: "192.168.0.100", port: 2221, user: "android",  password: "android"});



/*
  This code expects camscanner files in your mobile's /CamScanner directory. 
  It filters them by .pdf files then sorts them by date to get the latest one then downloads it. 
  All of this happens via FTP
*/