Method sendError

internal/lsp/server.go:662–681

(id *jsonrpc.ID, err error)

func (e userFacingRequestFailedError) Unwrap() error { return lsproto.ErrorCodeRequestFailed }

func (s *Server) sendError(id *jsonrpc.ID, err error) error {
	// Do not send error response for notifications,
	// except for parse errors which may occur before determining if the message is a request or notification.
	if id == nil && !errors.Is(err, lsproto.ErrorCodeInvalidRequest) {
		s.logger.Errorf("error handling notification: %s", err)
		return nil
	}
	code := lsproto.ErrorCodeInternalError
	if errCode, ok := errors.AsType[lsproto.ErrorCode](err); ok {
		code = errCode
	}
	// TODO(jakebailey): error data
	return s.sendResponse(&lsproto.ResponseMessage{
		ID: id,
		Error: &jsonrpc.ResponseError{
			Code:    int32(code),
			Message: err.Error(),
		},
	})
}

func sendNotification[Params any](s *Server, info lsproto.NotificationInfo[Params], params Params) error {
	return s.send(info.NewNotificationMessage(params).Message())