Function popHydrationState

code/redux/public/app.js:12465–12498

(fiber)

  }

  function popHydrationState(fiber) {
    if (fiber !== hydrationParentFiber) {
      // We're deeper than the current hydration context, inside an inserted
      // tree.
      return false;
    }
    if (!isHydrating) {
      // If we're not currently hydrating but we're in a hydration context, then
      // we were an insertion and now need to pop up reenter hydration of our
      // siblings.
      popToNextHostParent(fiber);
      isHydrating = true;
      return false;
    }

    var type = fiber.type;

    // If we have any remaining hydratable nodes, we need to delete them now.
    // We only do this deeper than head and body since they tend to have random
    // other nodes in them. We also ignore components with pure text content in
    // side of them.
    // TODO: Better heuristic.
    if (fiber.tag !== HostComponent || type !== 'head' && type !== 'body' && !shouldSetTextContent(type, fiber.memoizedProps)) {
      var nextInstance = nextHydratableInstance;
      while (nextInstance) {
        deleteHydratableInstance(fiber, nextInstance);
        nextInstance = getNextHydratableSibling(nextInstance);
      }
    }

    popToNextHostParent(fiber);
    nextHydratableInstance = hydrationParentFiber ? getNextHydratableSibling(fiber.stateNode) : null;
    return true;
  }

  function resetHydrationState() {
    hydrationParentFiber = null;