Interface UseQueryResult<T>

Result of useQuery: a stable snapshot plus a refetch trigger.

interface UseQueryResult<T> {
    data: undefined | Result<T>;
    dataUpdatedAt?: number;
    error: unknown;
    isFetching: boolean;
    isLoading: boolean;
    refetch: (() => void);
    status: QueryStatus;
}

Type Parameters

  • T

Hierarchy (view full)

Properties

data dataUpdatedAt? error isFetching isLoading refetch status

Properties

Readonlydata

data: undefined | Result<T>

Last resolved value. Preserved across background refetches.

Optional Readonly ExperimentaldataUpdatedAt

dataUpdatedAt?: number

Epoch milliseconds of the last successful fetch, undefined until one resolves. Drives stale-while-revalidate decisions.

Readonlyerror

error: unknown

Last rejection reason, cleared on the next successful fetch.

ReadonlyisFetching

isFetching: boolean

True whenever a fetch is in flight, including background refetches.

ReadonlyisLoading

isLoading: boolean

True only while the first fetch (no data yet) is in flight.

refetch

refetch: (() => void)

Force a fresh fetch, superseding any in-flight request.

Readonlystatus

status: QueryStatus

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