Redirect after successful payment

PrimerCheckoutSheet(
    checkout = checkout,
    onEvent = { event ->
        when (event) {
            is PrimerCheckoutEvent.Success -> {
                val payment = event.checkoutData.payment
                navController.navigate("confirmation/${payment.orderId}") {
                    popUpTo("checkout") { inclusive = true }
                }
            }
        }
    },
)

struct CheckoutView: View {
  let clientToken: String
  @State private var paymentResult: PaymentResult?
  @State private var paymentCompleted = false

  var body: some View {
    if paymentCompleted, let result = paymentResult {
      ConfirmationView(result: result)
    } else {
      PrimerCheckout(
        clientToken: clientToken,
        onCompletion: { state in
          if case .success(let result) = state {
            paymentResult = result
            paymentCompleted = true
          }
        }
      )
    }
  }
}

is PrimerCheckoutEvent.Success -> {
    val paymentId = event.checkoutData.payment.id
    navController.navigate("confirmation/$paymentId")
}

struct CheckoutView: View {
  let clientToken: String
  @State private var path = NavigationPath()

  var body: some View {
    NavigationStack(path: $path) {
      PrimerCheckout(
        clientToken: clientToken,
        onCompletion: { state in
          if case .success(let result) = state {
            path.append(result)
          }
        }
      )
      .navigationDestination(for: PaymentResult.self) { result in
        ConfirmationView(result: result)
      }
    }
  }
}