Function createFiberRoot

docs/external/js/react-dom.development.js:24285–24295

(containerInfo, tag, hydrate, hydrationCallbacks)

  }

  function createFiberRoot(containerInfo, tag, hydrate, hydrationCallbacks) {
    var root = new FiberRootNode(containerInfo, tag, hydrate);
    // stateNode is any.


    var uninitializedFiber = createHostRootFiber(tag);
    root.current = uninitializedFiber;
    uninitializedFiber.stateNode = root;
    initializeUpdateQueue(uninitializedFiber);
    return root;
  }
  function isRootSuspendedAtTime(root, expirationTime) {
    var firstSuspendedTime = root.firstSuspendedTime;
    var lastSuspendedTime = root.lastSuspendedTime;