Function pingSuspendedRoot

docs/external/js/react-dom.development.js:23094–23145

(root, thenable, suspendedTime)

    }
  }
  function pingSuspendedRoot(root, thenable, suspendedTime) {
    var pingCache = root.pingCache;

    if (pingCache !== null) {
      // The thenable resolved, so we no longer need to memoize, because it will
      // never be thrown again.
      pingCache.delete(thenable);
    }

    if (workInProgressRoot === root && renderExpirationTime$1 === suspendedTime) {
      // Received a ping at the same priority level at which we're currently
      // rendering. We might want to restart this render. This should mirror
      // the logic of whether or not a root suspends once it completes.
      // TODO: If we're rendering sync either due to Sync, Batched or expired,
      // we should probably never restart.
      // If we're suspended with delay, we'll always suspend so we can always
      // restart. If we're suspended without any updates, it might be a retry.
      // If it's early in the retry we can restart. We can't know for sure
      // whether we'll eventually process an update during this render pass,
      // but it's somewhat unlikely that we get to a ping before that, since
      // getting to the root most update is usually very fast.
      if (workInProgressRootExitStatus === RootSuspendedWithDelay || workInProgressRootExitStatus === RootSuspended && workInProgressRootLatestProcessedExpirationTime === Sync && now() - globalMostRecentFallbackTime < FALLBACK_THROTTLE_MS) {
        // Restart from the root. Don't need to schedule a ping because
        // we're already working on this tree.
        prepareFreshStack(root, renderExpirationTime$1);
      } else {
        // Even though we can't restart right now, we might get an
        // opportunity later. So we mark this render as having a ping.
        workInProgressRootHasPendingPing = true;
      }

      return;
    }

    if (!isRootSuspendedAtTime(root, suspendedTime)) {
      // The root is no longer suspended at this time.
      return;
    }

    var lastPingedTime = root.lastPingedTime;

    if (lastPingedTime !== NoWork && lastPingedTime < suspendedTime) {
      // There's already a lower priority ping scheduled.
      return;
    } // Mark the time at which this ping was scheduled.


    root.lastPingedTime = suspendedTime;

    ensureRootIsScheduled(root);
    schedulePendingInteractions(root, suspendedTime);
  }

  function retryTimedOutBoundary(boundaryFiber, retryTime) {
    // The boundary fiber (a Suspense component or SuspenseList component)