Function prepareFreshStack

docs/external/js/react-dom.development.js:22071–22111

(root, expirationTime)

  }

  function prepareFreshStack(root, expirationTime) {
    root.finishedWork = null;
    root.finishedExpirationTime = NoWork;
    var timeoutHandle = root.timeoutHandle;

    if (timeoutHandle !== noTimeout) {
      // The root previous suspended and scheduled a timeout to commit a fallback
      // state. Now that we have additional work, cancel the timeout.
      root.timeoutHandle = noTimeout; // $FlowFixMe Complains noTimeout is not a TimeoutID, despite the check above

      cancelTimeout(timeoutHandle);
    }

    if (workInProgress !== null) {
      var interruptedWork = workInProgress.return;

      while (interruptedWork !== null) {
        unwindInterruptedWork(interruptedWork);
        interruptedWork = interruptedWork.return;
      }
    }

    workInProgressRoot = root;
    workInProgress = createWorkInProgress(root.current, null);
    renderExpirationTime$1 = expirationTime;
    workInProgressRootExitStatus = RootIncomplete;
    workInProgressRootFatalError = null;
    workInProgressRootLatestProcessedExpirationTime = Sync;
    workInProgressRootLatestSuspenseTimeout = Sync;
    workInProgressRootCanSuspendUsingConfig = null;
    workInProgressRootNextUnprocessedUpdateTime = NoWork;
    workInProgressRootHasPendingPing = false;

    {
      spawnedWorkDuringRender = null;
    }

    {
      ReactStrictModeWarnings.discardPendingWarnings();
    }
  }

  function handleError(root, thrownValue) {
    do {