Function stringifyReplacer has a Cognitive Complexity of 40 (exceeds 5 allowed). Consider refactoring.

Open

function stringifyReplacer(parentValue) {
  const references = [];
  const safeResults = [];
  let complexity = 0;
  return function stringifyKeyValue(key, value) {

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Function stringifyReplacer has 47 lines of code (exceeds 25 allowed). Consider refactoring.

Open

function stringifyReplacer(parentValue) {
  const references = [];
  const safeResults = [];
  let complexity = 0;
  return function stringifyKeyValue(key, value) {

Function stringifyKeyValue has 42 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  return function stringifyKeyValue(key, value) {
    if (typeof value === 'object') {
      if (value === null || value instanceof Date || value instanceof RegExp) {
        return value;
      }

Function getGenericEventHandler has 34 lines of code (exceeds 25 allowed). Consider refactoring.

Open

function getGenericEventHandler() {
  const logContainer = document.querySelector('#eventsLog');
  let currentEventGroup = '';
  let currentEventType = '';
  let lastEvent = '';

Function genericEventHandler has 26 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  const genericEventHandler = function(e, type, eventGroup) {
    currentEventGroup = eventGroup;
    currentEventType = type;

    let group = eventLogGroups[eventGroup];

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

Open

function incrementEvent(group, currentEventType, currentEventGroup, div, datum) {

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

Open

function getGenericEventHandler() {
  const logContainer = document.querySelector('#eventsLog');
  let currentEventGroup = '';
  let currentEventType = '';
  let lastEvent = '';

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Avoid too many return statements within this function.

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      return value;

Avoid too many return statements within this function.

Open

    return value;

Avoid too many return statements within this function.

Open

          return safe;

Avoid too many return statements within this function.

Open

        return '<complexity exceeded>';

Avoid too many return statements within this function.

Open

          return (safeResults[referenceIndex] = '<' + value + '...(see console)>');

Avoid too many return statements within this function.

Open

      return `${value}`;

Function appendEvent has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

function appendEvent(container, currentEventType, currentEventGroup, data) {
  const div = document.createElement('div');
  div.classList.add('group-' + currentEventGroup, 'event-' + currentEventType, 'pre');
  div.textContent = textContentGrouped(currentEventType);
  div.setAttribute('title', `${currentEventGroup} event "${currentEventType}"`);

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Function incrementEvent has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

function incrementEvent(group, currentEventType, currentEventGroup, div, datum) {
  group[currentEventType]++;
  div.textContent = textContentGrouped(currentEventType, group);
  const logPreviousEvents = div.onclick;
  const scopedDatum = Object.assign({}, datum);

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