om external links monsterlink

(function(window, document) {

	// Your campaign's UNIQUE ID

	var campaignSlug = 'YOUR-UNIQUE-ID';

	// Helper to get an anchor element.

	var getLink = function(element) {

		var parent = element;

		while (parent && 'A' !== parent.tagName) {

			parent = parent.parentNode;

		}

		return parent && 'A' === parent.tagName ? parent : null;

	}

	document.documentElement.addEventListener('click', function(evt) {

		evt = evt || window.event;

		var el = getLink(evt.target || evt.srcElement);

		if (!el) {

			// Not an anchor link

			return;

		}

		// Internal link, so Nothing to do here.

		if (el.hostname === location.hostname) {

			return;

		}

		var url = el.href;

		// if the link is ALREADY a MonsterLink, then original MonsterLink logic will be used.

		if ( (' ' + el.className + ' ').indexOf(' manual-optin-trigger ') > -1 || url.indexOf('https://app.monstercampaigns.com/c/') > -1) {

			return;

		}

		// Check if user has already completed this campaign.

		if ( document.cookie.indexOf('omSuccess-' + campaignSlug +'=') > -1) {

			return;

		}

		evt.preventDefault();

		window['om' + campaignSlug].startShow();

		// If the MonsterLink is CLOSED, then redirect to original href location of the link that is clicked.

		document.addEventListener('om.Campaign.cleanup', function(evt) {

			if ( evt.detail.Campaign.id === campaignSlug ) {

				setTimeout( function() {

					window.location.href = url;

				}, 200 );

			}

		});

	});

})(window, document);