localServer.addHandler(match: { [weak self] (requestMethod, requestURL, requestHeaders, urlPath, urlQuery) -> GCDWebServerRequest? in
      if requestMethod != "GET" { return nil }
      guard let asset = self?.currentAssetBundle?.assetForURLPath(urlPath) else { return nil }

      let request = GCDWebServerRequest(method: requestMethod, url: requestURL, headers: requestHeaders, path: urlPath, query: urlQuery)