redirect.ejs

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
</head>

<body>
  <script src="//cdn.jsdelivr.net/npm/js-cookie@2/src/js.cookie.min.js"></script>
  <script>
    window.rootPath = '<%= rootPath %>';
    window.defaultLanguage = '<%= defaultLanguage %>';
    var lang = Cookies.get('docsite_language');
    if (!lang) {
      lang = '<%= defaultLanguage %>';
    }
    window.location = window.rootPath + '/' + lang;

  </script>
</body>

</html>