<script async src="https://www.googletagmanager.com/gtag/js?id=<%= ga_tracking_id %>"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', '<%= ga_tracking_id %>', { transport_url: 'http://localhost:8000' });
document.addEventListener('turbolinks:load', event => {
if (typeof gtag === 'function') {
gtag('config', '<%= ga_tracking_id %>', {
'page_location': event.data.url,
transport_url: 'http://localhost:8000'
});
}
});
</script>