jwt refresh token

$app->post('auth/refresh-token', ['middleware' => 'jwt.refresh', function() {
    try {
        $old_token = JWTAuth::getToken();
        $token = JWTAuth::refresh($old_token);
        JWTAuth::invalidate($old_token);
    } catch (TokenExpiredException $e) {
        throw new AuthException(
            Constants::get('error_code.refresh_token_expired'),
            trans('errors.refresh_token_expired'), $e);
    } catch (JWTException $e) {
        throw new AuthException(
            Constants::get('error_code.token_invalid'),
            trans('errors.token_invalid'), $e);
    }  

    return response()->json(compact('token'));
}]);