Function _getEventTarget

src/cdk/platform/features/shadow-dom.ts:59–70

(event: Event)

/** Gets the target of an event while accounting for Shadow DOM. */
export function _getEventTarget<T extends EventTarget>(event: Event): T | null {
  // If an event is bound outside the Shadow DOM, the `event.target` will point to the shadow root
  // so we have to use `composedPath` instead. Note that `composedPath` can throw if it's called
  // during event replay (see #33386).
  // TODO(crisbeto): it seems like `preventDefault` throws during replay as well.
  if (event.composedPath) {
    try {
      return event.composedPath()[0] as T | null;
    } catch {}
  }
  return event.target as T | null;
}