Avoid deeply nested control flow statements.

Open

                        if (xpc.virtualRoot != null) {
                            st = [ xpc.virtualRoot ];
                        } else {
                            st = xpc.contextNode.nodeType == 9 /*Node.DOCUMENT_NODE*/
                                ? [ xpc.contextNode ]

Avoid deeply nested control flow statements.

Open

                    if (s.charAt(pos) == ')') {
                        types.push(XPathParser.NODETYPE);
                    } else {
                        types.push(XPathParser.PROCESSINGINSTRUCTIONWITHLITERAL);
                    }

Avoid deeply nested control flow statements.

Open

                        if (xpc.contextNode === xpc.virtualRoot) {
                            break;
                        }

Function getChildElements has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

function getChildElements(obj) {
  var elementsArray = [];
  // process followables first, they
  // will be excluded from results later
  if (obj.followables) {

• Read up
  Read up

Avoid deeply nested control flow statements.

Open

                    if (name == "mod") {
                        types.push(XPathParser.MOD);
                        values.push(name);
                        continue;
                    }

Avoid deeply nested control flow statements.

Open

                        if (xpc.contextNode.firstChild != null) {
                            st.unshift(xpc.contextNode.firstChild);
                        } else {
                            st.unshift(xpc.contextNode.nextSibling);
                        }

Avoid deeply nested control flow statements.

Open

                        if (xpc.contextNode.nodeType == 1 /*Node.ELEMENT_NODE*/) {
                            n["xml"] = XPath.XML_NAMESPACE_URI;
                            n["xmlns"] = XPath.XMLNS_NAMESPACE_URI;
                            for (var m = xpc.contextNode; m != null && m.nodeType == 1 /*Node.ELEMENT_NODE*/; m = m.parentNode) {
                                for (var k = 0; k < m.attributes.length; k++) {

Avoid deeply nested control flow statements.

Open

                        for (var m = xpc.contextNode.previousSibling; m != null; m = m.previousSibling) {
                            if (step.nodeTest.matches(m, xpc)) {
                                newNodes.push(m);
                            }
                        }

Function scrapeElement has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

Scraper.prototype.scrapeElement = function(doc, element, scrapeUrl, key, follow_url) {

Function evaluate has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

    doc.evaluate = function(e, cn, r, t, res) {

Function Scraper has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

var Scraper = function(definition, headless) {
  var scraper = this;

  EventEmitter2.call(this, {
    wildcard: true,

• Read up
  Read up

Function name has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

Functions.name = function() {
    var c = arguments[0];
    var n;
    if (arguments.length == 1) {
        n = c.contextNode;

• Read up
  Read up

Avoid too many return statements within this function.

Open

            return Step.PARENT;

Avoid too many return statements within this function.

Open

            return Step.PRECEDINGSIBLING;

Avoid too many return statements within this function.

Open

            return Step.DESCENDANT;

Avoid too many return statements within this function.

Open

            return Step.NAMESPACE;

Avoid too many return statements within this function.

Open

            return false;

Avoid too many return statements within this function.

Open

    return false;

Avoid too many return statements within this function.

Open

                return;

Avoid too many return statements within this function.

Open

        return -1;