Function updateOffscreenComponent

docs/index.js:9046–9103

(current, workInProgress, renderLanes)

  );
}
function updateOffscreenComponent(current, workInProgress, renderLanes) {
  var nextProps = workInProgress.pendingProps,
    nextChildren = nextProps.children,
    nextIsDetached = 0 !== (workInProgress.stateNode._pendingVisibility & 2),
    prevState = null !== current ? current.memoizedState : null;
  markRef(current, workInProgress);
  if ("hidden" === nextProps.mode || nextIsDetached) {
    if (0 !== (workInProgress.flags & 128)) {
      nextProps =
        null !== prevState ? prevState.baseLanes | renderLanes : renderLanes;
      if (null !== current) {
        nextChildren = workInProgress.child = current.child;
        for (nextIsDetached = 0; null !== nextChildren; )
          (nextIsDetached =
            nextIsDetached | nextChildren.lanes | nextChildren.childLanes),
            (nextChildren = nextChildren.sibling);
        workInProgress.childLanes = nextIsDetached & ~nextProps;
      } else (workInProgress.childLanes = 0), (workInProgress.child = null);
      return deferHiddenOffscreenComponent(
        current,
        workInProgress,
        nextProps,
        renderLanes
      );
    }
    if (0 !== (renderLanes & 536870912))
      (workInProgress.memoizedState = { baseLanes: 0, cachePool: null }),
        null !== current &&
          pushTransition(
            workInProgress,
            null !== prevState ? prevState.cachePool : null
          ),
        null !== prevState
          ? pushHiddenContext(workInProgress, prevState)
          : reuseHiddenContextOnStack(),
        pushOffscreenSuspenseHandler(workInProgress);
    else
      return (
        (workInProgress.lanes = workInProgress.childLanes = 536870912),
        deferHiddenOffscreenComponent(
          current,
          workInProgress,
          null !== prevState ? prevState.baseLanes | renderLanes : renderLanes,
          renderLanes
        )
      );
  } else
    null !== prevState
      ? (pushTransition(workInProgress, prevState.cachePool),
        pushHiddenContext(workInProgress, prevState),
        reuseSuspenseHandlerOnStack(workInProgress),
        (workInProgress.memoizedState = null))
      : (null !== current && pushTransition(workInProgress, null),
        reuseHiddenContextOnStack(),
        reuseSuspenseHandlerOnStack(workInProgress));
  reconcileChildren(current, workInProgress, nextChildren, renderLanes);
  return workInProgress.child;
}