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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
import UIKit
public extension UIViewController {
func install(_ child: UIViewController, on view: UIView) {
addChild(child)
child.view.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(child.view)
NSLayoutConstraint.activate([
child.view.leadingAnchor.constraint(equalTo: view.leadingAnchor),
child.view.trailingAnchor.constraint(equalTo: view.trailingAnchor),
child.view.topAnchor.constraint(equalTo: view.topAnchor),
child.view.bottomAnchor.constraint(equalTo: view.bottomAnchor)
])
child.didMove(toParent: self)
}
func removeAsChild() {
self.view.removeFromSuperview()
self.removeFromParent()
self.didMove(toParent: nil)
}
}