Function removeDehydratedViews

packages/core/src/hydration/cleanup.ts:33–54

(lContainer: LContainer)

 * corresponding DOM nodes that belong to that dehydrated view.
 */
export function removeDehydratedViews(lContainer: LContainer) {
  const views = lContainer[DEHYDRATED_VIEWS] ?? [];
  const parentLView = lContainer[PARENT];
  const renderer = parentLView[RENDERER];
  const retainedViews = [];
  for (const view of views) {
    // Do not clean up contents of `@defer` blocks.
    // The cleanup for this content would happen once a given block
    // is triggered and hydrated.
    if (view.data[DEFER_BLOCK_ID] !== undefined) {
      retainedViews.push(view);
    } else {
      removeDehydratedView(view, renderer);
      ngDevMode && ngDevMode.dehydratedViewsRemoved++;
    }
  }
  // Reset the value to an array to indicate that no
  // further processing of dehydrated views is needed for
  // this view container (i.e. do not trigger the lookup process
  // once again in case a `ViewContainerRef` is created later).
  lContainer[DEHYDRATED_VIEWS] = retainedViews;
}

export function removeDehydratedViewList(deferBlock: DehydratedDeferBlock) {
  const {lContainer} = deferBlock;