query method
- QueryOptions<
Object?> options, { - RawClientOptions? raw,
 - Exception onException()?,
 
Resolves a single query according to the QueryOptions specified and
returns a Future which resolves with the QueryResult or throws an
Exception.
Implementation
Future<QueryResult> query(
  QueryOptions options, {
  RawClientOptions? raw,
  Exception Function(Map<String, dynamic>)? onException,
}) async {
  final dio.Response posted = await post(
    const RequestSerializer().serializeRequest(options.asRequest),
    operationName: options.operationName,
    onException: onException,
    raw: raw,
  );
  if (posted.data['data'] == null) {
    throw GraphQlException([GraphQLError(message: posted.data.toString())]);
  }
  final QueryResult query = QueryResult(
    options: options,
    source: QueryResultSource.network,
    data: posted.data['data'],
  );
  GraphQlProviderExceptions.fire(query, onException);
  return query;
}