SnapAuth Swift SDK

import SnapAuth

import SnapAuth
import SwiftUI

struct SignInView: View {
  let snapAuth = SnapAuth(publishableKey: "pubkey_yourkey") // Set this value!

  @State var userName: String = ""

  var body: some View {
    VStack {
      TextField("Username", text: $userName)
      Button("Sign In", systemImage: "person.badge.key") {
        signIn()
      }
    }
  }

  func signIn() {
    Task {
      let result = await snapAuth.startAuth(.username(userName))
      switch result {
      case .success(let auth):
        // Send auth.token to your backend to sign in the user
      case .failure(let error):
        // Decide how to proceed
      }
    }
  }
}

TextField("Username", text: $userName)
  .textContentType(.username) // <-- Add this

// ...
var body: some View {
  VStack {
    // ...
  }
  .onAppear(perform: autofill) // <-- Add this
}

// And this
func autofill() {
  Task {
    let autofillResult = await snapAuth.handleAutofill()
    guard case .success(let auth) = autofillResult else {
      // Autofill failed, this is common and generally safe to ignore
      return
    }
    // Send auth.token to your backend to sign in the user, as above
  }
}