luhn-generator/update/node_modules/axe-core/lib/checks/media/frame-tested-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 { respondable } from '../../core/utils';

function frameTestedEvaluate(node, options) {
	const resolve = this.async();
	const { isViolation, timeout } = Object.assign(
		{ isViolation: false, timeout: 500 },
		options
	);

	// give the frame .5s to respond to 'axe.ping', else log failed response
	let timer = setTimeout(function() {
		// This double timeout is important for allowing iframes to respond
		// DO NOT REMOVE
		timer = setTimeout(function() {
			timer = null;
			resolve(isViolation ? false : undefined);
		}, 0);
	}, timeout);

	respondable(node.contentWindow, 'axe.ping', null, undefined, function() {
		if (timer !== null) {
			clearTimeout(timer);
			resolve(true);
		}
	});
}

export default frameTestedEvaluate;