docs: function getViajesNacionales (senador, index, senadores, periodo, incluyeSenador) {
    const urls = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12].map(month => {
      return URL_VIAJES_NACIONALES.replace(/:year:/, periodo).replace(/:month:/, month)
    })
  
    const mapper = url => {
      scraperjs.StaticScraper.create()
      .get(url)
      .scrape($ => {
        // get the tr element where the first td child has the name of the senator
        // and the next() td has no text() and also get the next senator, if any,
        // so you have the boundaries of national travels for the current period
        // const limitTrs = $('#main table tr').filter((i, el) => {
        // const first = wrapString($(el).find('td:first-child').text())
        // const second = $(el).find('td:last-child').text().trim()
  
        // return (first === wrapString(senador.nombre.replace(',', '').toUpperCase()) &&
        //        second === '') ||
        //        (senadores[index + 1] &&
        //          first === wrapString(senadores[index + 1].nombre.replace(',', '').toUpperCase()) && second === '')
        // }).get()
        // console.log(limitTrs)
        // const i = $('#main table tr').index(limitTrs[0])
        // const j = $('#main table tr').index(limitTrs[1])
        // console.log(i, j)
        return {}
      })
    }
    return pMap(urls, mapper)
  }