text: const fs = require('fs');
  
  const ytmp3dl = require('./src/index.js');
  
  let dls = [];
  let vs = [
    // 'NnTg4vzli5s'
    'kqq_oq6QWZI',
    'd0TX75q6Y1M',
  
    'lFMkAdg0E-Q',
    'RaY4Rg-2sBA',
  
    'Owbd9lvNM2Q',
  
    'sQVeK7Dt18U',
    'NnTg4vzli5s',
    'qoOCBMqxA3g',
    'kYW4goj0mxE'
  ];
  
  ytmp3dl.cleanTemp();
  
  vs.forEach((v, i) => {
    let dl = new ytmp3dl.Download({ v });
  
    dl.on('error', err => {
      // console.log('error', err);
      // console.log(err.stack);
    });
  
    dl.on('success', result => {
      const outDir = __dirname + '/done';
      const fileName = result.file_name + '.' + result.file_ext;
      const output = outDir + '/' + fileName;
  
      ytmp3dl.Download.copyAndClean({
        result_file_location: result.file_location,
        file_ext: result.file_ext,
        output
      });
      // console.log('success', result);
      // console.log('success');
  
      // console.log(dl.pub);
    });
  
    dl.on('callMethod', method => {
      // console.log('callMethod', method);
    });
  
    dl.on('stream-progress', o => {
      // console.log('stream-progress', o);
    });
  
    dl.on('conversion-progress', o => {
      // console.log('conversion-progress', o);
    });
  
    dl.start();
  
    // console.log('dl', dl);
  });
  