%h1.page-title.gl-font-size-h-display= _("Redirecting")

%div
  %a{ :href => redirect_uri } Click here to redirect to #{redirect_uri}

= javascript_tag do
  :plain
    (function() {
      // Only permit a basic set of characters in the fragment.
      const allowedRegex = /^#[\w-]+$/g;

      const hash = window.location.hash;
      let redirectUri = "#{redirect_uri}";

      if (window.location.hash && window.location.hash.search(allowedRegex) === 0 && redirectUri.indexOf('#') === -1) {
        redirectUri = redirectUri + hash;
      }

      window.location = redirectUri;
    })();