Function getOwningComponent

packages/core/src/render3/util/discovery_utils.ts:105–115

(elementOrDir: Element | {})

 * @publicApi
 */
export function getOwningComponent<T>(elementOrDir: Element | {}): T | null {
  const context = getLContext(elementOrDir)!;
  let lView = context ? context.lView : null;
  if (lView === null) return null;

  let parent: LView | null;
  while (lView[TVIEW].type === TViewType.Embedded && (parent = getLViewParent(lView)!)) {
    lView = parent;
  }
  return isRootView(lView) ? null : (lView[CONTEXT] as unknown as T);
}

/**
 * Retrieves all root components associated with a DOM element, directive or component instance.