Helper Constraint

import UIKit

extension UIView {
    func constrain(to view: UIView, withInsets insets: UIEdgeInsets = .zero) {
        translatesAutoresizingMaskIntoConstraints = false
        NSLayoutConstraint.activate([
            topAnchor.constraint(equalTo: view.topAnchor, constant: insets.top),
            bottomAnchor.constraint(equalTo: view.bottomAnchor, constant: -insets.bottom),
            leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: insets.left),
            trailingAnchor.constraint(equalTo: view.trailingAnchor, constant: -insets.right)
        ])
    }
    
    func constrain(size: CGSize) {
        translatesAutoresizingMaskIntoConstraints = false
        NSLayoutConstraint.activate([
            widthAnchor.constraint(equalToConstant: size.width),
            heightAnchor.constraint(equalToConstant: size.height)
        ])
    }
    
    func center(in view: UIView, xOffset: CGFloat = 0, yOffset: CGFloat = 0) {
        translatesAutoresizingMaskIntoConstraints = false
        NSLayoutConstraint.activate([
            centerXAnchor.constraint(equalTo: view.centerXAnchor, constant: xOffset),
            centerYAnchor.constraint(equalTo: view.centerYAnchor, constant: yOffset)
        ])
    }
}


// Example usage:
let view = UIView()
view.backgroundColor = .red
view.translatesAutoresizingMaskIntoConstraints = false
view.constrain(to: superview, withInsets: UIEdgeInsets(top: 16, left: 16, bottom: 16, right: 16))
view.constrain(size: CGSize(width: 100, height: 100))
view.center(in: superview, xOffset: 20, yOffset: -10)