How to make simple search bar in SwiftUI

import UIKit
import SwiftUI
import EasySwiftUI

struct SearchBar: View {
    @Binding
    var searchText: String
    let onChange: () -> Void
    @State
    private var showsCancelButton: Bool = false

    var body: some View {
        return HStack {
            textField
            cancelButton
        }
    }

    private var searchTextBinding: Binding<String> {
        Binding<String>(get: {
            searchText
        }, set: { newValue in
            DispatchQueue.main.async {
                searchText = newValue
                onChange()
            }
        })
    }

    private var textField: some View {
        HStack {
            Image(systemName: SFSymbol.magnifyingglass.rawValue)

            TextField("Search", text: searchTextBinding, onEditingChanged: { isEditing in
                withAnimation {
                    self.showsCancelButton = true
                }
                onChange()
            }, onCommit: {
                // No op
            })
            .foregroundColor(.primary)

            Button(action: {
                self.searchText = ""
            }) {
                Image(systemName: SFSymbol.xmarkCircleFill.rawValue)
                    .opacity(searchText == "" ? 0 : 1)
            }
        }
        .padding(EdgeInsets(top: 8, leading: 6, bottom: 8, trailing: 6))
        .foregroundColor(.secondary)
        .background(Color(.systemBackground))
        .cornerRadius(10.0)
    }

    @ViewBuilder
    private var cancelButton: some View {
        if showsCancelButton  {
            Button("Cancel") {
                UIApplication.shared.endEditing(true)
                withAnimation {
                    self.searchText = ""
                    self.showsCancelButton = false
                }
                onChange()
            }
            .foregroundColor(Color(.systemBlue))
        }
    }
}

extension UIApplication {
    func endEditing(_ force: Bool) {
        self.windows
            .filter{$0.isKeyWindow}
            .first?
            .endEditing(force)
    }
}