Function cleanupMatchingDehydratedViews

packages/core/src/hydration/views.ts:191–203

(hostLView: LView, currentTNode: TNode)

}

function cleanupMatchingDehydratedViews(hostLView: LView, currentTNode: TNode): boolean {
  const ssrId = currentTNode.tView?.ssrId;
  if (ssrId == null /* check both `null` and `undefined` */) return false;

  const container = hostLView[currentTNode.index];
  // if we can find the dehydrated view in this container, we know we've found the stale view
  // and we can remove it.
  if (isLContainer(container) && hasMatchingDehydratedView(container, ssrId)) {
    removeDehydratedViews(container);
    return true;
  }
  return false;
}