Function insertAnchorNode

packages/core/src/linker/view_container_ref.ts:677–691

* Creates and inserts a comment node that acts as an anchor for a view container. * * If the host is a regular element, we have to insert a comment node manually which will * be used as an anchor when inserting elements. In this specific case we use low-level DOM * manipulation to insert it.

(hostLView: LView, hostTNode: TNode)

 * manipulation to insert it.
 */
function insertAnchorNode(hostLView: LView, hostTNode: TNode): RComment {
  const renderer = hostLView[RENDERER];
  const commentNode = renderer.createComment(ngDevMode ? 'container' : '');

  const hostNative = getNativeByTNode(hostTNode, hostLView)!;
  const parentOfHostNative = renderer.parentNode(hostNative);
  nativeInsertBefore(
    renderer,
    parentOfHostNative!,
    commentNode,
    renderer.nextSibling(hostNative),
    false,
  );
  return commentNode;
}

let _locateOrCreateAnchorNode = createAnchorNode;
let _populateDehydratedViewsInLContainer: typeof populateDehydratedViewsInLContainerImpl = () =>