QueryObserverBaseResult

Defined in: packages/query-core/src/types.ts:780

Extended by

Type Parameters

TData

TData = unknown

TError

Properties

Property	Type	Description
data	TData \| undefined	The last successfully resolved data for the query.
dataUpdatedAt	number	The timestamp for when the query most recently returned the status as "success".
error	TError \| null	The error object for the query, if an error was thrown. - Defaults to null.
errorUpdateCount	number	The sum of all errors.
errorUpdatedAt	number	The timestamp for when the query most recently returned the status as "error".
failureCount	number	The failure count for the query. - Incremented every time the query fails. - Reset to 0 when the query succeeds.
failureReason	TError \| null	The failure reason for the query retry. - Reset to null when the query succeeds.
fetchStatus	"fetching" \| "paused" \| "idle"	The fetch status of the query. - fetching: Is true whenever the queryFn is executing, which includes initial pending as well as background refetch. - paused: The query wanted to fetch, but has been paused. - idle: The query is not fetching. - See Network Mode for more information.
isEnabled	boolean	true if this observer is enabled, false otherwise.
isError	boolean	A derived boolean from the status variable, provided for convenience. - true if the query attempt resulted in an error.
isFetched	boolean	Will be true if the query has been fetched.
isFetchedAfterMount	boolean	Will be true if the query has been fetched after the component mounted. - This property can be used to not show any previously cached data.
isFetching	boolean	A derived boolean from the fetchStatus variable, provided for convenience. - true whenever the queryFn is executing, which includes initial pending as well as background refetch.
~~isInitialLoading~~	boolean	Deprecated isInitialLoading is being deprecated in favor of isLoading and will be removed in the next major version.
isLoading	boolean	Is true whenever the first fetch for a query is in-flight. - Is the same as isFetching && isPending.
isLoadingError	boolean	Will be true if the query failed while fetching for the first time.
isPaused	boolean	A derived boolean from the fetchStatus variable, provided for convenience. - The query wanted to fetch, but has been paused.
isPending	boolean	Will be pending if there's no cached data and no query attempt was finished yet.
isPlaceholderData	boolean	Will be true if the data shown is the placeholder data.
isRefetchError	boolean	Will be true if the query failed while refetching.
isRefetching	boolean	Is true whenever a background refetch is in-flight, which does not include initial pending. - Is the same as isFetching && !isPending.
isStale	boolean	Will be true if the data in the cache is invalidated or if the data is older than the given staleTime.
isSuccess	boolean	A derived boolean from the status variable, provided for convenience. - true if the query has received a response with no errors and is ready to display its data.
refetch	(options?: RefetchOptions) => Promise<QueryObserverResult<TData, TError>>	A function to manually refetch the query.
status	"error" \| "pending" \| "success"	The status of the query. - Will be: - pending if there's no cached data and no query attempt was finished yet. - error if the query attempt resulted in an error. - success if the query has received a response with no errors and is ready to display its data.