Can't get the itemfile or file writers to work about pjscrape HOT 2 CLOSED

pjs.config({
  writer: 'itemfile',
});

pjs.addSuite({
  url: 'http://www.google.com/',
  scraper: function() {
    return {
      filename: 'pjscrape-out.txt',
      content: document.documentElement.outerHTML
    }
  }
});