Method #updateStaleTimeout

packages/query-core/src/queryObserver.ts:372–398

()

  }

  #updateStaleTimeout(): void {
    this.#clearStaleTimeout()
    const staleTime = resolveStaleTime(
      this.options.staleTime,
      this.#currentQuery,
    )

    if (
      environmentManager.isServer() ||
      this.#currentResult.isStale ||
      !isValidTimeout(staleTime)
    ) {
      return
    }

    const time = timeUntilStale(this.#currentResult.dataUpdatedAt, staleTime)

    // The timeout is sometimes triggered 1 ms before the stale time expiration.
    // To mitigate this issue we always add 1 ms to the timeout.
    const timeout = time + 1

    this.#staleTimeoutId = timeoutManager.setTimeout(() => {
      if (!this.#currentResult.isStale) {
        this.updateResult()
      }
    }, timeout)
  }

  #computeRefetchInterval() {
    return (