Function enterAnimationEnd

packages/core/src/render3/instructions/animation.ts:168–187

(
  event: AnimationEvent | TransitionEvent,
  nativeElement: HTMLElement,
  renderer: Renderer,
)

}

function enterAnimationEnd(
  event: AnimationEvent | TransitionEvent,
  nativeElement: HTMLElement,
  renderer: Renderer,
) {
  const elementData = enterClassMap.get(nativeElement);
  // this event.target check is to prevent issues with bubbling events that are from child element animations
  if (getEventTarget(event) !== nativeElement || !elementData) return;
  if (isLongestAnimation(event, nativeElement)) {
    // Now that we've found the longest animation, there's no need
    // to keep bubbling up this event as it's not going to apply to
    // other elements further up. We don't want it to inadvertently
    // affect any other animations on the page.
    event.stopPropagation();
    for (const klass of elementData.classList) {
      renderer.removeClass(nativeElement, klass);
    }
    cleanupEnterClassData(nativeElement);
  }
}

/**
 * Instruction to handle the `(animate.enter)` behavior for event bindings, aka when