code: function zip (name, destination, source, files) {
    if (files && files.length > 0) {
      const filename = path.join(destination, name)
      const output = fs.createWriteStream(filename)
  
      const archive = archiver('zip', { store: true })
      archive.on('error', (err) => { throw err })
      archive.pipe(output)
  
      files.forEach((f) => {
        archive.append(fs.createReadStream(path.join(source, f)), { name: f })
      })
  
      archive.finalize()
  
      return filename
    }
  }
docs: ------------------------------------------------------------- Module. -------------------------------------------------------------