check-ios-bus/src/addSwiftUIAsChild.swift

import SwiftUI

@discardableResult
public func addSwiftUIViewAsChild<Type>(
  swiftUIView: Type,
  parent: UIView
) -> UIHostingController<Type> {
  let childVC = UIHostingController(rootView: swiftUIView)
  childVC.view.backgroundColor = .clear
  parent.addSubview(childVC.view)
  childVC.view.translatesAutoresizingMaskIntoConstraints = false
  NSLayoutConstraint.activate([
    childVC.view.topAnchor.constraint(equalTo: parent.topAnchor),
    childVC.view.bottomAnchor.constraint(equalTo: parent.bottomAnchor),
    childVC.view.leadingAnchor.constraint(equalTo: parent.leadingAnchor),
    childVC.view.trailingAnchor.constraint(equalTo: parent.trailingAnchor),
  ])
  return childVC
}