Function shouldFetchOn

packages/query-core/src/queryObserver.ts:769–785

(
  query: Query<any, any, any, any>,
  options: QueryObserverOptions<any, any, any, any, any>,
  field: (typeof options)['refetchOnMount'] &
    (typeof options)['refetchOnWindowFocus'] &
    (typeof options)['refetchOnReconnect'],
)

}

function shouldFetchOn(
  query: Query<any, any, any, any>,
  options: QueryObserverOptions<any, any, any, any, any>,
  field: (typeof options)['refetchOnMount'] &
    (typeof options)['refetchOnWindowFocus'] &
    (typeof options)['refetchOnReconnect'],
) {
  if (
    resolveEnabled(options.enabled, query) !== false &&
    resolveStaleTime(options.staleTime, query) !== 'static'
  ) {
    const value = typeof field === 'function' ? field(query) : field

    return value === 'always' || (value !== false && isStale(query, options))
  }
  return false
}

function shouldFetchOptionally(
  query: Query<any, any, any, any>,