Tweak to make InVision prototype work with Google Analytics

tweak.html

<!-- Tweak for Google Analytics to catch SPA navigation -->
<script>
var currentPage = window.location.href;
window.onload = function() {
	setInterval(function() {
	    if (currentPage !== window.location.href) {
	        currentPage = window.location.href;
	        var newPage = window.location.pathname + window.location.hash
			ga('set', 'page', newPage);
			ga('send', 'pageview');
			console.log(newPage);        
	    }
	}, 100);
};
</script>
<!-- End of tweak for Google Analytics to catch SPA navigation -->