Attempt to use xslt with jsdom but failed

jsdom.js

var jsdom = require("jsdom");
document = jsdom.jsdom();
window = document.defaultView;

var xslt = require("xslt");
var result = xslt(
  '<a>xxx</a>',
  '<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"><xsl:output method="xml" encoding="UTF-8"/></xsl:stylesheet>');
console.info(result);