Function isLViewDescendantOfTNode

packages/core/src/debug/ai/di_graph.ts:234–246

* Checks if `lView` is a descendant of `parentTNode` in `parentLView` (crossing view boundaries). * * `tNode.parent` is restricted to referring to nodes within the SAME view. When we cross * view boundaries (e.g., entering a component's internal view or an embedded view like `@if`), * `tNode.par

(lView: LView, parentLView: LView, parentTNode: TNode)

 * `parentLView`.
 */
function isLViewDescendantOfTNode(lView: LView, parentLView: LView, parentTNode: TNode): boolean {
  let currentLView: LView | null = lView;
  let hostTNode: TNode | null = null;

  while (currentLView && currentLView !== parentLView) {
    hostTNode = currentLView[T_HOST];
    currentLView = getLViewParent(currentLView);
  }

  return (
    currentLView === parentLView && hostTNode !== null && isTNodeDescendant(hostTNode, parentTNode)
  );
}

/** Find the parent environment injector of the given injector. */
function getParentEnvInjector(injector: Injector): Injector | undefined {