Method isStale

packages/query-core/src/query.ts:447–457

* Returns `true` if the query is stale. * - If the query has observers, defers to whether any observer's current * result reports `isStale` (which accounts for each observer's own * `staleTime` and `enabled` state). * - If the query has no observers, it is considered stale when it ha

()

   * ```
   */
  isStale(): boolean {
    // check observers first, their `isStale` has the source of truth
    // calculated with `isStaleByTime` and it takes `enabled` into account
    if (this.getObserversCount() > 0) {
      return this.observers.some(
        (observer) => observer.getCurrentResult().isStale,
      )
    }

    return this.state.data === undefined || this.state.isInvalidated
  }

  /**
   * Returns `true` if the query's data is stale relative to the given