Track WooCommerce external/affiliate product link clicks in Google Analytics

/**
 * Track external/affiliate link clicks snippet
 */

function candc_track_affiliate_clicks_script() {
?>
<script>
;
( function( $ ) {
  "use strict";

  // current page host
  var baseURI = window.location.host;

  // click event on body
  $("p.cart").on("click", function(e) {

	// abandon if link already aborted or analytics is not available
	if (e.isDefaultPrevented() || typeof ga !== "function") return;

	// abandon if no active link or link within domain
	var link = $(e.target).closest("a");
	if (link.length != 1 || baseURI == link[0].host) return;

	// cancel event and record outbound link
	e.preventDefault();
	var href = link[0].href;
	ga('send', {
	  'hitType': 'event',
	  'eventCategory': 'External Affiliate Link',
	  'eventAction': 'clicked',
	  'eventLabel': href,
	  'hitCallback': loadPage
	});

	// redirect after one second if recording takes too long
	setTimeout(loadPage, 1000);

	// redirect to outbound page
	function loadPage() {
	  document.location = href;
	}
  });	

  // Close anon function.
}( jQuery ) );
</script>
    <?php
}
add_action( 'wp_footer', 'candc_track_affiliate_clicks_script' );