GQLException.fromException constructor

GQLException.fromException(dynamic exception, { List<GQLExceptionParser>? exceptionParsers, })

Implementation

factory GQLException.fromException(
  dynamic exception, {
  List<GQLExceptionParser>? exceptionParsers,
}) {

  // Project-level parsers
  if (exceptionParsers != null) {
    for (final parser in exceptionParsers) {
      final result = parser.parse(exception);
      if (result != null) return result;
    }
  }

  // Built-in paths
  if (exception is Exception) {
    if (exception is OperationException) {
      if (exception.graphqlErrors.isNotEmpty) {
        final graphqlError = exception.graphqlErrors[0];
        final errorMessage = graphqlError.message;
        final errorCode = graphqlError.extensions?['code'] ?? 'NO_CODE';
        final extensions = graphqlError.extensions;

        return AppError(
          AppErrorModel(
            message: errorMessage,
            code: errorCode,
            extensions: extensions,
          ),
        );
      }

      return AppError(AppErrorModel(message: 'Unknown GraphQL error'));
    } else if (exception is GQLException) {
      return exception;
    } else {
      return const UnExpectedError();
    }
  } else {
    if (exception is String && exception.contains('is not a subtype of')) {
      return const UnableToProcessError();
    }
    return const UnExpectedError();
  }
}