code: function originalurl (req) {
    var url = req.originalUrl
  
    if (typeof url !== 'string') {
      // Fallback
      return parseurl(req)
    }
  
    var parsed = req._parsedOriginalUrl
  
    if (fresh(url, parsed)) {
      // Return cached URL parse
      return parsed
    }
  
    // Parse the URL
    parsed = fastparse(url)
    parsed._raw = url
  
    return (req._parsedOriginalUrl = parsed)
  }
docs: Parse the `req` original url with fallback and memoization.
  
  @param {ServerRequest} req
  @return {Object}
  @public