Function fetchState

packages/query-core/src/query.ts:718–737

(
  data: TData | undefined,
  options: QueryOptions<TQueryFnData, TError, TData, TQueryKey>,
)

}

export function fetchState<
  TQueryFnData,
  TError,
  TData,
  TQueryKey extends QueryKey,
>(
  data: TData | undefined,
  options: QueryOptions<TQueryFnData, TError, TData, TQueryKey>,
) {
  return {
    fetchFailureCount: 0,
    fetchFailureReason: null,
    fetchStatus: canFetch(options.networkMode) ? 'fetching' : 'paused',
    ...(data === undefined &&
      ({
        error: null,
        status: 'pending',
      } as const)),
  } as const
}

function successState<TData>(data: TData | undefined, dataUpdatedAt?: number) {
  return {