Method getQueryState

packages/query-core/src/queryClient.ts:352–365

* Imperative (non-reactive) way to retrieve an existing query's state. If the query does not * exist, `undefined` is returned. * * @example * ```ts * const state = queryClient.getQueryState(['posts']) * console.log(state?.dataUpdatedAt) * ```

(
    queryKey: TTaggedQueryKey,
  )

   * ```
   */
  getQueryState<
    TQueryFnData = unknown,
    TError = DefaultError,
    TTaggedQueryKey extends QueryKey = QueryKey,
    TInferredQueryFnData = InferDataFromTag<TQueryFnData, TTaggedQueryKey>,
    TInferredError = InferErrorFromTag<TError, TTaggedQueryKey>,
  >(
    queryKey: TTaggedQueryKey,
  ): QueryState<TInferredQueryFnData, TInferredError> | undefined {
    const options = this.defaultQueryOptions({ queryKey })
    return this.#queryCache.get<TInferredQueryFnData, TInferredError>(
      options.queryHash,
    )?.state
  }

  /**
   * Removes queries from the cache that match the given filters. Unlike