Function mountSyncExternalStore

docs/index.js:24891–24943

(subscribe, getSnapshot, getServerSnapshot)

      return [newState, dispatch];
    }
    function mountSyncExternalStore(subscribe, getSnapshot, getServerSnapshot) {
      var fiber = currentlyRenderingFiber$1,
        hook = mountWorkInProgressHook();
      if (isHydrating) {
        if (void 0 === getServerSnapshot)
          throw Error(
            "Missing getServerSnapshot, which is required for server-rendered content. Will revert to client rendering."
          );
        var nextSnapshot = getServerSnapshot();
        didWarnUncachedGetSnapshot ||
          nextSnapshot === getServerSnapshot() ||
          (console.error(
            "The result of getServerSnapshot should be cached to avoid an infinite loop"
          ),
          (didWarnUncachedGetSnapshot = !0));
      } else {
        nextSnapshot = getSnapshot();
        didWarnUncachedGetSnapshot ||
          ((getServerSnapshot = getSnapshot()),
          objectIs(nextSnapshot, getServerSnapshot) ||
            (console.error(
              "The result of getSnapshot should be cached to avoid an infinite loop"
            ),
            (didWarnUncachedGetSnapshot = !0)));
        if (null === workInProgressRoot)
          throw Error(
            "Expected a work-in-progress root. This is a bug in React. Please file an issue."
          );
        0 !== (workInProgressRootRenderLanes & 60) ||
          pushStoreConsistencyCheck(fiber, getSnapshot, nextSnapshot);
      }
      hook.memoizedState = nextSnapshot;
      getServerSnapshot = { value: nextSnapshot, getSnapshot: getSnapshot };
      hook.queue = getServerSnapshot;
      mountEffect(
        subscribeToStore.bind(null, fiber, getServerSnapshot, subscribe),
        [subscribe]
      );
      fiber.flags |= 2048;
      pushEffect(
        HasEffect | Passive,
        updateStoreInstance.bind(
          null,
          fiber,
          getServerSnapshot,
          nextSnapshot,
          getSnapshot
        ),
        { destroy: void 0 },
        null
      );
      return nextSnapshot;
    }
    function updateSyncExternalStore(
      subscribe,
      getSnapshot,