Rounded tableView section

Cell.swift

func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
        let color = cell.backgroundColor?.cgColor
        let cornerRadius: CGFloat = 5
        cell.backgroundColor = .clear
        
        let layer = CAShapeLayer()
        let pathRef = CGMutablePath()
        let bounds = cell.bounds.insetBy(dx: 20, dy: 0)
        var addLine = false
        
        if indexPath.row == 0 && indexPath.row == tableView.numberOfRows(inSection: indexPath.section) - 1 {
            pathRef.__addRoundedRect(transform: nil, rect: bounds, cornerWidth: cornerRadius, cornerHeight: cornerRadius)
        } else if indexPath.row == 0 {
            pathRef.move(to: .init(x: bounds.minX, y: bounds.maxY))
            pathRef.addArc(tangent1End: .init(x: bounds.minX, y: bounds.minY), tangent2End: .init(x: bounds.midX, y: bounds.minY), radius: cornerRadius)
            pathRef.addArc(tangent1End: .init(x: bounds.maxX, y: bounds.minY), tangent2End: .init(x: bounds.maxX, y: bounds.midY), radius: cornerRadius)
            pathRef.addLine(to: .init(x: bounds.maxX, y: bounds.maxY))
            addLine = true
        } else if indexPath.row == tableView.numberOfRows(inSection: indexPath.section) - 1 {
            pathRef.move(to: .init(x: bounds.minX, y: bounds.minY))
            pathRef.addArc(tangent1End: .init(x: bounds.minX, y: bounds.maxY), tangent2End: .init(x: bounds.midX, y: bounds.maxY), radius: cornerRadius)
            pathRef.addArc(tangent1End: .init(x: bounds.maxX, y: bounds.maxY), tangent2End: .init(x: bounds.maxX, y: bounds.midY), radius: cornerRadius)
            pathRef.addLine(to: .init(x: bounds.maxX, y: bounds.minY))
        } else {
            pathRef.addRect(bounds)
            addLine = true
        }
        
        layer.path = pathRef
        layer.fillColor = color ?? UIColor(white: 1, alpha: 0.8).cgColor
        
        if (addLine == true) {
            let lineLayer = CALayer()
            let lineHeight = 1.0 / UIScreen.main.scale
            lineLayer.frame = CGRect(x: bounds.minX + 10, y: bounds.size.height - lineHeight, width: bounds.size.width - 10, height: lineHeight)
            lineLayer.backgroundColor = tableView.separatorColor?.cgColor
            layer.addSublayer(lineLayer)
        }
        
        let v = UIView(frame: bounds)
        v.layer.insertSublayer(layer, at: 0)
        v.backgroundColor = .clear
        cell.backgroundView = v
    }

Footer.swift

func tableView(_ tableView: UITableView, willDisplayFooterView view: UIView, forSection section: Int) {
        let color = view.backgroundColor?.cgColor
        view.backgroundColor = UIColor.clear
        let cornerRadius: CGFloat = 5
        
        let layer = CAShapeLayer()
        let pathRef = CGMutablePath()
        let bounds = view.bounds.insetBy(dx: 20, dy: 0)
        
        pathRef.move(to: .init(x: bounds.minX, y: bounds.minY))
        pathRef.addArc(tangent1End: .init(x: bounds.minX, y: bounds.maxY), tangent2End: .init(x: bounds.midX, y: bounds.maxY), radius: cornerRadius)
        pathRef.addArc(tangent1End: .init(x: bounds.maxX, y: bounds.maxY), tangent2End: .init(x: bounds.maxX, y: bounds.midY), radius: cornerRadius)
        pathRef.addLine(to: .init(x: bounds.maxX, y: bounds.minY))
        
        layer.path = pathRef
        layer.fillColor = color ?? UIColor(white: 1, alpha: 0.8).cgColor
        
        view.layer.insertSublayer(layer, at: 0)
    }

Header.swift

func tableView(_ tableView: UITableView, willDisplayHeaderView view: UIView, forSection section: Int) {
        let color = view.backgroundColor?.cgColor
        view.backgroundColor = UIColor.clear
        let cornerRadius: CGFloat = 5
        
        let layer = CAShapeLayer()
        let pathRef = CGMutablePath()
        let bounds = view.bounds.insetBy(dx: 20, dy: 0)
        
        pathRef.move(to: .init(x: bounds.minX, y: bounds.maxY))
        pathRef.addArc(tangent1End: .init(x: bounds.minX, y: bounds.minY), tangent2End: .init(x: bounds.midX, y: bounds.minY), radius: cornerRadius)
        pathRef.addArc(tangent1End: .init(x: bounds.maxX, y: bounds.minY), tangent2End: .init(x: bounds.maxX, y: bounds.midY), radius: cornerRadius)
        pathRef.addLine(to: .init(x: bounds.maxX, y: bounds.maxY))
        
        layer.path = pathRef
        layer.fillColor = color ?? UIColor(white: 1, alpha: 0.8).cgColor
        
        let lineLayer = CALayer()
        let lineHeight = 1.0 / UIScreen.main.scale
        lineLayer.frame = CGRect(x: bounds.minX, y: bounds.size.height - lineHeight, width: bounds.size.width, height: lineHeight)
        lineLayer.backgroundColor = tableView.separatorColor?.cgColor
        layer.addSublayer(lineLayer)
        
        view.layer.insertSublayer(layer, at: 0)
    }