Function _preProcessRulesConfig has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.

Open

_preProcessRulesConfig = function _preProcessRulesConfig() {
    var _obj, _ct, _rand;
    //> the config is a 'selector' -> ['array of rules to be skipped']
    for (var currentSelector in _rulesConfig) {
        if (_rulesConfig.hasOwnProperty(currentSelector)) {

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Function _ruleExector has 27 lines of code (exceeds 25 allowed). Consider refactoring.

Open

function _ruleExector() {
    var _severityEnum = enums.severityEnum,
        _mainElem = $('main'),
        _mainRole = $("[role='main']"),
        _mainID = _mainElem.attr('id') || _mainRole.attr('id'),

Consider simplifying this complex logical expression.

Open

            if (typeof elem.onclick === 'function' || typeof elem.click === 'function' || typeof elem.ondblclick === 'function' || typeof elem.dblclick === 'function' || this.getjQueryDataEvents(elem) || elem.getEventListener('click') || elem.getEventListener('dblclick')) {
                _hasClicks = true;
            }

Function _ruleExector has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

function _ruleExector(elem) {

    var _severityEnum = enums.severityEnum;
    if ((elem.tagName === 'INPUT' || elem.tagName === 'BUTTON' && $(elem).attr('type') === 'submit') || (elem.tagName === 'BUTTON' && $(elem).attr('type') === undefined)) {
        //first check if it has an TARGET attribute

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Function _ruleExector has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

function _ruleExector(elem) {
    var _severityEnum = enums.severityEnum,
        _tagName, _txt;

    if (elem.hasAttribute('role') && elem.getAttribute('role') === 'main') {

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Function validator has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    validator: function (selector) {

        var _validationObj = {isValid: false, selector: selector, errMsg: ''};

        //if selector is null / empty or if its undefined

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Avoid deeply nested control flow statements.

Open

                          if (list[type].hasOwnProperty(listElem)) {
                              //> push all the listeners into the result []
                              result.push({
                                  type: type,
                                  listener: list[type][listElem],

Avoid deeply nested control flow statements.

Open

                          for (var id in list[_type]) {
                              //> hasOwnProperty check is to satisfy jshint
                              if (list[_type].hasOwnProperty(id)) {
                                  //> push all the listener into the result []
                                  result.push({

Consider simplifying this complex logical expression.

Open

        if (e && this.elementIsAriaWidget(c)) {
            e = c.getAttribute('role');
            'textbox' == e && c.textContent && 0 < c.textContent.length && (b.controlValue = {
                text: c.textContent
            });

Consider simplifying this complex logical expression.

Open

        if (
        document.hidden ||
        _this.offsetWidth === 0 ||
        _this.offsetHeight === 0 ||
        _this.style.visibility === 'hidden' ||

Consider simplifying this complex logical expression.

Open

        if (this.matchSelector(a,
                'input:not([type="hidden"]):not([disabled]), select:not([disabled]), textarea:not([disabled]), button:not([disabled]), video:not([disabled])') &&
            !d) {
            if (a.hasAttribute('id')) {
                d = document.querySelectorAll('label[for="' + a.id + '"]');

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

Open

function _ruleExector() {
    var _severityEnum = enums.severityEnum,
        _mainElem = $('main'),
        _mainRole = $("[role='main']"),
        _mainID = _mainElem.attr('id') || _mainRole.attr('id'),

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

Open

function _addAllPropertiesToSet(a, b, c) {
    var d = a[b];
    if (d) {
        for (var e = 0; e < d.length; e++) {
            c[d[e]] = !0;

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

Open

    getRoles: function(a, b) {
        if (!a || a.nodeType !== Node.ELEMENT_NODE || !a.hasAttribute('role') && !b) {
            return null;
        }
        var c = a.getAttribute('role');

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

Open

function _ruleExector(elem) {

    var _severityEnum = enums.severityEnum;
    if (elem.tagName === 'A' && ($(elem).attr('target') === 'blank' || $(elem).attr('target') === '_blank')) {
        //first check if it has an TARGET attribute

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

Open

function _ruleExector(elem) {
    var _severityEnum = enums.severityEnum,
        _id = $(elem).attr('id'),
        _labelObj;

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

Open

    composedParentNode: function(a) {
        if (!a) {
            return null;
        }
        if (a.nodeType === Node.DOCUMENT_FRAGMENT_NODE) {

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

Open

function _ruleExector() {

    var _severityEnum = enums.severityEnum,
        _title = $('title');

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

Open

function _ruleExector(elem) {
    var _severityEnum = enums.severityEnum,
        _th;

    if (elem.hasAttribute('headers') && !_.isEmpty(elem.getAttribute('headers'))) {

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Avoid too many return statements within this function.

Open

            return {
                TYPE: _severityEnum.WARN,
                RESULT: true,
                MSG: 'Warning! This element has an ownerDocument that doesnt match with the window object. This may be part of an iframe or an XML response partial or a detached DOM fragment. The results may not be accurate!'
            };