pure/site/static/js/track-downloads.js

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(function (window, document) {
// Expose as `Pure.trackDownload()`
(window.Pure || (window.Pure = {})).trackDownload = trackDownload;
var HAS_DOWNLOAD_ATTR = 'download' in document.createElement('a');
function trackDownload(category, name) {
var ga = window.ga,
link = this;
// Quit early if Google Analytics isn't on the page.
if (!ga) { return; }
// Fire off the GA ping to track the download event.
ga('send', 'event', category, 'download', name);
// If the browser does not support the HTML5 `download` attribute give
// the GA ping some time to complete before starting the download.
if (!HAS_DOWNLOAD_ATTR) {
setTimeout(function () {
window.location.href = link.href;
}, 100);
// Prevent default.
return false;
}
}
}(this, this.document));