The missing UIHostingView

HostingView.swift

import SwiftUI
import UIKit

public final class HostingView: UIView {
  public init(@ViewBuilder content: () -> some View) {
    super.init(frame: .zero)
    
    let contentView = UIHostingConfiguration(content: content)
      .margins(.all, 0)
      .makeContentView()
    
    contentView.translatesAutoresizingMaskIntoConstraints = false
    addSubview(contentView)
    NSLayoutConstraint.activate([
      contentView.topAnchor.constraint(equalTo: topAnchor),
      contentView.leadingAnchor.constraint(equalTo: leadingAnchor),
      contentView.trailingAnchor.constraint(equalTo: trailingAnchor),
      contentView.bottomAnchor.constraint(equalTo: bottomAnchor)
    ])
  }
  
  @available(*, unavailable)
  required init?(coder: NSCoder) {
    fatalError("init(coder:) has not been implemented")
  }
}