SearchBar.swift

import SwiftUI
import PlaygroundSupport

struct ContentView: View {
    @State var text = ""
    var body: some View {
        SearchBar(text: $text)
    }
}

struct SearchBar: UIViewRepresentable {
    @Binding var text: String
    
    class Coordinator: NSObject, UISearchBarDelegate {
        
        @Binding var text: String
        
        init(text: Binding<String>) {
            _text = text
        }
        
        func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {
            text = searchText
        }
        
        func searchBarSearchButtonClicked(_ searchBar: UISearchBar) {
            searchBar.resignFirstResponder()
        }
    }
    
    func makeCoordinator() -> SearchBar.Coordinator {
        return Coordinator(text: $text)
    }
    
    func makeUIView(context: UIViewRepresentableContext<SearchBar>) -> UISearchBar {
        let searchBar = UISearchBar(frame: .zero)
        searchBar.delegate = context.coordinator
        searchBar.autocapitalizationType = .none
        searchBar.searchBarStyle = .minimal
        searchBar.enablesReturnKeyAutomatically = false
        return searchBar
    }
    
    func updateUIView(_ uiView: UISearchBar, context: UIViewRepresentableContext<SearchBar>) {
        uiView.text = text
        uiView.placeholder = "Search"
    }
}

PlaygroundPage.current.setLiveView(ContentView())