Function add has a Cognitive Complexity of 16 (exceeds 5 allowed). Consider refactoring.

Open

AVLTree.prototype.add = function(n)  {
    if (n === this.node) {
        return false;
    }
    

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Function XPathResult has 48 lines of code (exceeds 25 allowed). Consider refactoring.

Open

function XPathResult(v, t) {
    if (t == XPathResult.ANY_TYPE) {
        if (v.constructor === XString) {
            t = XPathResult.STRING_TYPE;
        } else if (v.constructor === XNumber) {

Function toString has 48 lines of code (exceeds 25 allowed). Consider refactoring.

Open

Step.prototype.toString = function() {
    var s;
    switch (this.axis) {
        case Step.ANCESTOR:
            s = "ancestor";

Function scrapeElement has 46 lines of code (exceeds 25 allowed). Consider refactoring.

Open

Scraper.prototype.scrapeElement = function(doc, element, scrapeUrl, key, follow_url) {
  var scraper = this;
  follow_url = typeof follow_url !== 'undefined' ? follow_url : false;
  // extract element
  key = key || element.name;

Function matches has 43 lines of code (exceeds 25 allowed). Consider refactoring.

Open

NodeTest.prototype.matches = function(n, xpc) {
    switch (this.type) {
        case NodeTest.NAMETESTANY:
            if (n.nodeType == 2 /*Node.ATTRIBUTE_NODE*/
                    || n.nodeType == 1 /*Node.ELEMENT_NODE*/

Function validate has 43 lines of code (exceeds 25 allowed). Consider refactoring.

Open

Scraper.prototype.validate = function(def){
  var problems = [];
  // url key must exist
  if (!def.url) {
    problems.push('must have "url" key');

Function order has 40 lines of code (exceeds 25 allowed). Consider refactoring.

Open

AVLTree.prototype.order = function(n1, n2) {
    if (n1 === n2) {
        return 0;
    }
    var d1 = 0;

Function toString has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.

Open

PathExpr.prototype.toString = function() {
    if (this.filter != undefined) {
        var s = this.filter.toString();
        if (Utilities.instance_of(this.filter, XString)) {
            s = "'" + s + "'";

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Function normalizeSpace has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.

Open

Functions.normalizeSpace = function() {
    var c = arguments[0];
    var s;
    if (arguments.length == 1) {
        s = XNodeSet.prototype.stringForNode(c.contextNode);

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Function XPathResult has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.

Open

function XPathResult(v, t) {
    if (t == XPathResult.ANY_TYPE) {
        if (v.constructor === XString) {
            t = XPathResult.STRING_TYPE;
        } else if (v.constructor === XNumber) {

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Function getNamespace has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.

Open

NamespaceResolver.prototype.getNamespace = function(prefix, n) {
    if (prefix == "xml") {
        return XPath.XML_NAMESPACE_URI;
    } else if (prefix == "xmlns") {
        return XPath.XMLNS_NAMESPACE_URI;

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Function render has 35 lines of code (exceeds 25 allowed). Consider refactoring.

Open

HeadlessRenderer.prototype.render = function(scrapeUrl, actions, cookiejar) {
  var renderer = this;
  var settings = renderer.settings('debug');
  var spooky = new Spooky(settings, function() {
    spooky.start(scrapeUrl);

Function settings has 33 lines of code (exceeds 25 allowed). Consider refactoring.

Open

HeadlessRenderer.prototype.settings = function(loglevel) {
  env['PHANTOMJS_EXECUTABLE'] = deps.getbinpath('phantomjs');
  return {
    child: {
      command: deps.getbinpath('casperjs'),

Function translate has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

Functions.translate = function() {
    var c = arguments[0];
    if (arguments.length != 4) {
        throw new Error("Function translate expects (string, string, string)");
    }

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Function parse has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

XPathParser.prototype.parse = function(s) {
    var types;
    var values;
    var res = this.tokenize(s);
    if (res == undefined) {

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Function scrape has 31 lines of code (exceeds 25 allowed). Consider refactoring.

Open

Thresher.prototype.scrape = function(scrapeUrl, headless) {
  var thresher = this;
  thresher.emit('scrapeStart', scrapeUrl);

  // validate arguments

Function scrapeUrl has 31 lines of code (exceeds 25 allowed). Consider refactoring.

Open

Scraper.prototype.scrapeUrl = function(theUrl, node) {
  var scraper = this;
  scraper.startTicker();
  scraper.results = scraper.results || {};
  node = node || scraper.tree.root;

Function normalizeSpace has 30 lines of code (exceeds 25 allowed). Consider refactoring.

Open

Functions.normalizeSpace = function() {
    var c = arguments[0];
    var s;
    if (arguments.length == 1) {
        s = XNodeSet.prototype.stringForNode(c.contextNode);

Function add has 30 lines of code (exceeds 25 allowed). Consider refactoring.

Open

AVLTree.prototype.add = function(n)  {
    if (n === this.node) {
        return false;
    }
    

Function id has 29 lines of code (exceeds 25 allowed). Consider refactoring.

Open

Functions.id = function() {
    var c = arguments[0];
    var id;
    if (arguments.length != 2) {
        throw new Error("Function id expects (object)");