https://techcrunch.com/wp-content/themes/tc-24/vendor/10up/datalayer/src/js/frontend.js?m=1771608748g

1/**
2 * Convert a string to title case.
3 *
4 * @param {*} str
5 * @returns {string}
6 */
7function toTitleCase(str) {
8	return str.replace(/\w\S*/g, function (txt) {
9		return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();
10	});
11}
12
13/**
14 * Send the event to Google Tag Manager.
15 *
16 * @param {HTMLElement} element The element that was clicked.
17 */
18function sendGTMEvent(element) {
19	const attributeList = window.tenupDataLayer.trackingAttrs || [];
20
21	const data = attributeList.reduce((acc, attribute) => {
22		const value = element.getAttribute(attribute);
23		if (value) {
24			const key = attribute.replace('data-', '');
25
26			// Force proper case.
27			acc[key] = toTitleCase(value);
28		}
29		return acc;
30	}, {});
31
32	/**
33	 * If the ctaText is not set, use the innerText of the element.
34	 * WP_HTML_Tag_Processor is limited in what it can do, so we can't
35	 * assign the data-ctaText attribute.
36	 */
37	if (!data.ctaText) {
38		data.ctaText = element.innerText.trim();
39	}
40
41	window.dataLayer = window.dataLayer || [];
42	window.dataLayer.push(data);
43}
44
45/**
46 * Add event listeners to the document.
47 */
48document.addEventListener('DOMContentLoaded', () => {
49	// Add event listeners to all elements with a data-event attribute.
50	document.addEventListener('click', function (event) {
51		const clickedElement = event.target;
52		const eventElement   = clickedElement.closest('[data-event]');
53
54		// Bail if we can't find an element with a data-event attribute.
55		if (!eventElement) {
56			return;
57		}
58
59		// Send the event to Google Tag Manager.
60		const dataEvent = eventElement.getAttribute('data-event');
61		if (dataEvent) {
62			sendGTMEvent(eventElement);
63		}
64	});
65
66	// Add event listeners to all internal links without a data-event attribute.
67	const hyperLinks = document.querySelectorAll('a:not([data-event])'); // Select only links without data-event attribute.
68	hyperLinks.forEach((link) => {
69		// Check if it's an internal link.
70		if (link.host === window.location.host) {
71			link.addEventListener('click', () => {
72				const ctaText = link.innerText;
73				const destinationLink = link.href;
74
75				window.dataLayer = window.dataLayer || [];
76				window.dataLayer.push({
77					event: 'recirculation',
78					module: 'hyperlink',
79					ctaText,
80					destinationLink,
81				});
82			});
83		}
84	});
85});