Function prepareFreshStack

docs/index.js:14095–14139

(root, lanes)

  }
}
function prepareFreshStack(root, lanes) {
  root.finishedWork = null;
  root.finishedLanes = 0;
  var timeoutHandle = root.timeoutHandle;
  -1 !== timeoutHandle &&
    ((root.timeoutHandle = -1), cancelTimeout(timeoutHandle));
  timeoutHandle = root.cancelPendingCommit;
  null !== timeoutHandle &&
    ((root.cancelPendingCommit = null), timeoutHandle());
  resetWorkInProgressStack();
  workInProgressRoot = root;
  workInProgress = timeoutHandle = createWorkInProgress(root.current, null);
  workInProgressRootRenderLanes = lanes;
  workInProgressSuspendedReason = 0;
  workInProgressThrownValue = null;
  workInProgressRootDidSkipSuspendedSiblings = !1;
  workInProgressRootIsPrerendering = checkIfRootIsPrerendering(root, lanes);
  workInProgressRootDidAttachPingListener = !1;
  workInProgressSuspendedRetryLanes =
    workInProgressDeferredLane =
    workInProgressRootPingedLanes =
    workInProgressRootInterleavedUpdatedLanes =
    workInProgressRootSkippedLanes =
    workInProgressRootExitStatus =
      0;
  workInProgressRootRecoverableErrors = workInProgressRootConcurrentErrors =
    null;
  workInProgressRootDidIncludeRecursiveRenderUpdate = !1;
  0 !== (lanes & 8) && (lanes |= lanes & 32);
  var allEntangledLanes = root.entangledLanes;
  if (0 !== allEntangledLanes)
    for (
      root = root.entanglements, allEntangledLanes &= lanes;
      0 < allEntangledLanes;

    ) {
      var index$4 = 31 - clz32(allEntangledLanes),
        lane = 1 << index$4;
      lanes |= root[index$4];
      allEntangledLanes &= ~lane;
    }
  entangledRenderLanes = lanes;
  finishQueueingConcurrentUpdates();
  return timeoutHandle;
}
function handleThrow(root, thrownValue) {
  currentlyRenderingFiber$1 = null;
  ReactSharedInternals.H = ContextOnlyDispatcher;