ListViewController+Deleted.swift

cell.deletedClosure = { listItem in
  UIView.animate(withDuration: 0.3, delay: 0.0, usingSpringWithDamping: 1, initialSpringVelocity: 0.5, options: .curveEaseIn, animations: {
    self.decorateReadyToMove(for: cell, andAngle: 0)
    cell.transform = CGAffineTransform(scaleX: 0.01, y: 1)
  }, completion: { (_) in
    cell.transform = CGAffineTransform(scaleX: 0.01, y: 0.01)
    cell.alpha = 0
    self.listItemDataset.remove(item: listItem, on: self.collectionView)
  })
}