axe-core/lib/core/utils/get-node-from-tree.js

Accessibility engine for automated Web UI testing

import cache from '../base/cache';

/**
 * Return a single node from the virtual dom tree
 *
 * @param {Object} vNode The flattened, virtual DOM tree
 * @param {Node}   node  The HTML DOM node
 */
function getNodeFromTree(vNode, node) {
  const el = node || vNode;
  return cache.get('nodeMap') ? cache.get('nodeMap').get(el) : null;
}

export default getNodeFromTree;