Filter Google Analytics external links tracking

filter-google-analytics-external-links-tracking.php

function sp_gtag_link_tracking_ev($html) { 
	return "window.addEventListener('load', function () {
	var links = document.querySelectorAll('a');
	for (let i = 0; i < links.length; i++) {
		links[i].addEventListener('click', function(e) {
			var n = this.href.includes('".get_home_url()."');
			if (n == false) {
				gtag('event', 'click', {'event_category': 'external links','event_label' : this.href});
			}
		});
		}
	});";
}
add_filter('seopress_gtag_link_tracking_ev', 'sp_gtag_link_tracking_ev');