Function scheduleUpdateOnFiber

docs/index.js:13762–13787

(root, fiber, lane)

  return workInProgressDeferredLane;
}
function scheduleUpdateOnFiber(root, fiber, lane) {
  if (
    (root === workInProgressRoot && 2 === workInProgressSuspendedReason) ||
    null !== root.cancelPendingCommit
  )
    prepareFreshStack(root, 0),
      markRootSuspended(
        root,
        workInProgressRootRenderLanes,
        workInProgressDeferredLane,
        !1
      );
  markRootUpdated$1(root, lane);
  if (0 === (executionContext & 2) || root !== workInProgressRoot)
    root === workInProgressRoot &&
      (0 === (executionContext & 2) &&
        (workInProgressRootInterleavedUpdatedLanes |= lane),
      4 === workInProgressRootExitStatus &&
        markRootSuspended(
          root,
          workInProgressRootRenderLanes,
          workInProgressDeferredLane,
          !1
        )),
      ensureRootIsScheduled(root);
}
function performWorkOnRoot(root$jscomp$0, lanes, forceSync) {
  if (0 !== (executionContext & 6)) throw Error(formatProdErrorMessage(327));
  var shouldTimeSlice =