Sha256: c0ba862622c1e328d634cf52d2d30253a3feeda05394d472b3ccf07ec7e38dd6
Contents?: true
Size: 1.56 KB
Versions: 3
Compression:
Stored size: 1.56 KB
Contents
window.GOVUK = window.GOVUK || {}
window.GOVUK.Modules = window.GOVUK.Modules || {};
(function (Modules) {
'use strict'
function GtmClickTracking (module) {
this.module = module
this.trackingTrigger = 'data-gtm-event-name' // elements with this attribute get tracked
}
GtmClickTracking.prototype.init = function () {
var trackClicksOn = [this.module]
if (!this.module.getAttribute(this.trackingTrigger)) {
trackClicksOn = this.module.querySelectorAll('[' + this.trackingTrigger + ']')
}
for (var i = 0; i < trackClicksOn.length; i++) {
trackClicksOn[i].addEventListener('click', this.trackClick.bind(this))
}
}
GtmClickTracking.prototype.trackClick = function (event) {
if (window.dataLayer) {
var target = event.currentTarget
var data = {
event: 'analytics',
event_name: target.getAttribute('data-gtm-event-name'),
// get entire URL apart from domain
link_url: window.location.href.substring(window.location.origin.length),
ui: JSON.parse(target.getAttribute('data-gtm-attributes'))
}
var ariaExpanded = this.checkExpandedState(target)
if (ariaExpanded) {
data.ui.state = ariaExpanded === 'false' ? 'opened' : 'closed'
}
window.dataLayer.push(data)
}
}
GtmClickTracking.prototype.checkExpandedState = function (clicked) {
var expanded = clicked.querySelector('[aria-expanded]')
if (expanded) {
return expanded.getAttribute('aria-expanded')
}
}
Modules.GtmClickTracking = GtmClickTracking
})(window.GOVUK.Modules)
Version data entries
3 entries across 3 versions & 1 rubygems