Function getLViewLeaveAnimations

packages/core/src/animation/utils.ts:262–265

(lView: LView)

 * Retrieves the list of specified leave animations from the lView
 */
export function getLViewLeaveAnimations(lView: LView): Map<number, LeaveNodeAnimations> {
  const animationData = (lView[ANIMATIONS] ??= {});
  return (animationData.leave ??= new Map());
}

/**
 * Gets the list of classes from a passed in value