Function entangleTransitions

docs/index.js:10780–10789

(root, fiber, lane)

  return getRootForUpdatedFiber(fiber);
}
function entangleTransitions(root, fiber, lane) {
  fiber = fiber.updateQueue;
  if (null !== fiber && ((fiber = fiber.shared), 0 !== (lane & 4194176))) {
    var queueLanes = fiber.lanes;
    queueLanes &= root.pendingLanes;
    lane |= queueLanes;
    fiber.lanes = lane;
    markRootEntangled(root, lane);
  }
}
function enqueueCapturedUpdate(workInProgress, capturedUpdate) {
  var queue = workInProgress.updateQueue,
    current = workInProgress.alternate;