Function dispatchSetStateInternal

docs/index.js:8157–8197

(fiber, queue, action, lane)

  dispatchSetStateInternal(fiber, queue, action, lane);
}
function dispatchSetStateInternal(fiber, queue, action, lane) {
  var update = {
    lane: lane,
    revertLane: 0,
    action: action,
    hasEagerState: !1,
    eagerState: null,
    next: null
  };
  if (isRenderPhaseUpdate(fiber)) enqueueRenderPhaseUpdate(queue, update);
  else {
    var alternate = fiber.alternate;
    if (
      0 === fiber.lanes &&
      (null === alternate || 0 === alternate.lanes) &&
      ((alternate = queue.lastRenderedReducer), null !== alternate)
    )
      try {
        var currentState = queue.lastRenderedState,
          eagerState = alternate(currentState, action);
        update.hasEagerState = !0;
        update.eagerState = eagerState;
        if (objectIs(eagerState, currentState))
          return (
            enqueueUpdate$1(fiber, queue, update, 0),
            null === workInProgressRoot && finishQueueingConcurrentUpdates(),
            !1
          );
      } catch (error) {
      } finally {
      }
    action = enqueueConcurrentHookUpdate(fiber, queue, update, lane);
    if (null !== action)
      return (
        scheduleUpdateOnFiber(action, fiber, lane),
        entangleTransitionUpdate(action, queue, lane),
        !0
      );
  }
  return !1;
}
function dispatchOptimisticSetState(fiber, throwIfDuringRender, queue, action) {
  action = {
    lane: 2,