Function ɵɵanimateEnter

packages/core/src/render3/instructions/animation.ts:58–92

(value: string | AnimationClassBindingFn)

 * @codeGenApi
 */
export function ɵɵanimateEnter(value: string | AnimationClassBindingFn): typeof ɵɵanimateEnter {
  performanceMarkFeature('NgAnimateEnter');

  if ((typeof ngServerMode !== 'undefined' && ngServerMode) || !areAnimationSupported) {
    return ɵɵanimateEnter;
  }
  ngDevMode && assertAnimationTypes(value, 'animate.enter');

  const lView = getLView();
  if (areAnimationsDisabled(lView)) {
    return ɵɵanimateEnter;
  }

  const tNode = getCurrentTNode()!;

  // Capture NgZone eagerly while the injector is still valid. The animation
  // function runs later from the queue, at which point the lView injector
  // may have been destroyed.
  const ngZone = lView[INJECTOR]!.get(NgZone);

  addAnimationToLView(getLViewEnterAnimations(lView), tNode, () =>
    runEnterAnimation(lView, tNode, value, ngZone),
  );

  initializeAnimationQueueScheduler(lView[INJECTOR]);

  // We have to queue here due to the animation instruction being invoked after the element
  // instruction. The DOM node has to exist before we can queue an animation. Any node that
  // is not inside of control flow needs to get queued here. For nodes inside of control
  // flow, those are queued in node_manipulation.ts and are deduped by a Set in the animation
  // queue.
  queueEnterAnimations(lView[INJECTOR], getLViewEnterAnimations(lView));

  return ɵɵanimateEnter; // For chaining
}

export function runEnterAnimation(
  lView: LView,