Devang47

function walkDOMTree(
  root,
  whatToShow = NodeFilter.SHOW_ALL,
  { inspect, collect, callback } = {}
) {
  const walker = document.createTreeWalker(root, whatToShow, {
    acceptNode(node) {
      if (inspect && !inspect(node)) {
        return NodeFilter.FILTER_REJECT;
      }

Devang47

export default class EventEmitter
{
    constructor()
    {
        this.callbacks = {}
        this.callbacks.base = {}
    }

    on(_names, callback)
    {