Function updateContainerAtExpirationTime

code/styling/public/app.js:14092–14116

(element, container, parentComponent, currentTime, expirationTime, callback)

  }

  function updateContainerAtExpirationTime(element, container, parentComponent, currentTime, expirationTime, callback) {
    // TODO: If this is a nested container, this won't be the root.
    var current = container.current;

    {
      if (ReactFiberInstrumentation_1.debugTool) {
        if (current.alternate === null) {
          ReactFiberInstrumentation_1.debugTool.onMountContainer(container);
        } else if (element === null) {
          ReactFiberInstrumentation_1.debugTool.onUnmountContainer(container);
        } else {
          ReactFiberInstrumentation_1.debugTool.onUpdateContainer(container);
        }
      }
    }

    var context = getContextForSubtree(parentComponent);
    if (container.context === null) {
      container.context = context;
    } else {
      container.pendingContext = context;
    }

    return scheduleRootUpdate(current, element, currentTime, expirationTime, callback);
  }

  function findHostInstance(fiber) {
    var hostFiber = findCurrentHostFiber(fiber);