query<TParsed> method
This resolves a single query according to the QueryOptions specified and returns a Future which resolves with the QueryResult or throws an Exception.
{@tool snippet} Basic usage
final QueryResult result = await client.query(
QueryOptions(
document: gql(
r'''
query ReadRepositories($nRepositories: Int!) {
viewer {
repositories(last: $nRepositories) {
nodes {
__typename
id
name
viewerHasStarred
}
}
}
}
''',
),
variables: {
'nRepositories': 50,
},
),
);
if (result.hasException) {
print(result.exception.toString());
}
final List<dynamic> repositories =
result.data['viewer']['repositories']['nodes'] as List<dynamic>;
{@end-tool}
Implementation
Future<QueryResult<TParsed>> query<TParsed>(
QueryOptions<TParsed> options,
) async {
final policies = defaultPolicies.query.withOverrides(options.policies);
return await queryManager.query(options.copyWithPolicies(policies));
}