gtm-macros.js

// Macro: "data-track-gtm - get from element"
// Returns: Boolean - does this element, or one of its parents, have a data-track-gtm attribute?
function() {
	var isSet = function(val) {
		return val !== null && val !== '';
	};
	var el = {{element}};
	var val = el.getAttribute('data-track-gtm');

	while (el && el !== document.body && !isSet(val)) {
		el = el.parentElement;
		val = el.getAttribute('data-track-gtm'); 
	}

	return isSet(val) ? val : false;
}

// Macro: "has data-track-gtm attribute"
// Returns: Boolean - does this element, or one of its parents, have a data-track-gtm attribute?
function() {
	return !!{{data-track-gtm - get from element}};
}

//Macro: "data-track-gtm - event action"
//
// replace the attribute with the appropriate data attribute
// if the attribute is divided with something other than commas, change tracking.split
// change the number to 0, 1, or 2, depending on whether you want the category, action, or label

function() {
	tracking = {{data-track-gtm - get from element}};
	tracking = tracking.split(',');
	return tracking[1];
}