cHTML - SPA pageview URL no historyChange

<script>
  var currentPage = window.location.href;
  var pagePath = window.location.pathname;

// listen for changes
setInterval(function()
{
    if (currentPage != window.location.href)
    {
          window.dataLayer = window.dataLayer || [];
          window.dataLayer.push({
            'event': 'newPage'
           });

        currentPage = window.location.href;
    }
}, 500);
</script>