luhn-generator/update/node_modules/axe-core/lib/checks/parsing/duplicate-id-evaluate.js

A generator of numbers that passes the validation of Luhn algorithm or Luhn formula, also known as the 'modulus 10' or 'mod 10' algorithm

import { getRootNode } from '../../commons/dom';
import { escapeSelector } from '../../core/utils';

function duplicateIdEvaluate(node) {
	const id = node.getAttribute('id').trim();
	// Since empty ID's are not meaningful and are ignored by Edge, we'll
	// let those pass.
	if (!id) {
		return true;
	}
	const root = getRootNode(node);
	const matchingNodes = Array.from(
		root.querySelectorAll(`[id="${escapeSelector(id)}"]`)
	).filter(foundNode => foundNode !== node);

	if (matchingNodes.length) {
		this.relatedNodes(matchingNodes);
	}
	this.data(id);

	return matchingNodes.length === 0;
}

export default duplicateIdEvaluate;