VanillaSearchable.swift

import Foundation
import SwiftUI

struct VanillaSearchableView: View {
  let names = ["Oliver", "Emily", "Jessica", "Daniel", "Eva"]
  @State var searchText: String = ""
  
  var body: some View {
    NavigationView {
      List {
        ForEach(searchResults, id: \.self) { name in
          Text(name)
        }
      }
      .navigationBarTitle("Searchable")
      .searchable(
        text: $searchText,
        prompt: "Search names..."
      )
    }
  }
  
  var searchResults: [String] {
    if searchText.isEmpty {
      return names
    } else {
      return names.filter { $0.lowercased().contains(searchText.lowercased()) }
    }
  }
}

struct VanillaSearchableView_Previews: PreviewProvider {
  static var previews: some View {
    VanillaSearchableView()
  }
}