SWIFT - Scrolling to bottom, top and to any view

UIScrollView+ScrollMoves.swift

import UIKit
extension UIScrollView {
    
    func scrollToView(view:UIView, animated: Bool, navigationHeight: CGFloat?) {
        let childStartPoint = view.frame.origin
        let height = (navigationHeight ?? 0) * 2 + 16
        self.scrollRectToVisible(
            CGRect(x: 0, 
                   y: childStartPoint.y - height, 
                   width: 1, 
                   height: self.frame.height), 
            animated: animated)
    }
    
    func scrollToTop(animated: Bool) {
        let topOffset = CGPoint(x: 0, y: -contentInset.top)
        setContentOffset(topOffset, animated: animated)
    }
    
    func scrollToBottom() {
        let bottomOffset = CGPoint(x: 0, 
                                   y: contentSize.height - bounds.size.height + contentInset.bottom)
        if(bottomOffset.y > 0) {
            setContentOffset(bottomOffset, animated: true)
        }
    }
    
}

DispatchQueue.main.async {
    let indexPath = IndexPath(row: self.list.count-1, section: 0)
   self.tableView.scrollToRow(at: indexPath, at: UITableViewScrollPosition.bottom, animated: true)
}