Redirect users with support for referral tracking

fbcanvas.liquid

{% plugin rawtext fanpage_url %}
<script type="text/javascript">
if (!document.body.className.match('page_preview')) {
  var redir;

  if (window.location.search) {
    // Triggered if there's already a social referrer being tracked
    var ref_search = window.location.search;
    var ref = ref_search.split('=');
    var ref_id = ref[1];
    redir = '{{ fanpage_url }}' + '&app_data' + encodeURIComponent('[social_referrer]=' + ref_id);
  } else {
    // Also supports URLs without social referrer
    redir = '{{ fanpage_url }}';
  }
  
  // Redirects as soon as possible
  setInterval( function () {
    top.location.replace(redir);
  },100);
}
</script>

mobile.liquid

{% plugin rawtext mobile_url %}
<script type="text/javascript">
if (!document.body.className.match('page_preview')) {
  var redir;
  
  if (window.location.search) {
    // Triggered if there's already a social referrer being tracked
    redir = '{{ mobile_url }}' + window.location.search;
  } else {
    // Also supports URLs without social referrer
    redir = '{{ mobile_url }}';
  }
  
  // Redirects as soon as possible
  setInterval( function () {
    top.location.replace(redir);
  },100);
}
</script>