Troubleshooting

rm -rf ~/Library/Developer/Xcode/DerivedData
rm -rf ~/Library/Caches/org.swift.swiftpm

post_install do |installer|
  installer.pods_project.targets.each do |target|
    if target.respond_to?(:product_type) and target.product_type == "com.apple.product-type.bundle"
      target.build_configurations.each do |config|
        config.build_settings['CODE_SIGNING_ALLOWED'] = 'NO'
      end
    end
  end
end

.primerCheckoutSession(session) { state in
    if case let .failure(error, _) = state {
        print("Checkout failed: \(error.localizedDescription)")
        print("Diagnostics ID: \(error.diagnosticsId)")
    }
}

// Correct — one session for the lifetime of the view
struct CheckoutView: View {
    @StateObject private var session: PrimerCheckoutSession

    init(token: String) {
        _session = StateObject(wrappedValue: PrimerCheckoutSession(clientToken: token))
    }

    var body: some View {
        ScrollView {
            PrimerPaymentMethods()
            PrimerCardForm()
        }
        .primerCheckoutSession(session) { state in handle(state) }
    }
}

// Incorrect — allocates a new session on every render
struct CheckoutView: View {
    var body: some View {
        let session = PrimerCheckoutSession(clientToken: token) // Don't do this
        return ScrollView {
            PrimerCardForm()
        }
        .primerCheckoutSession(session)
    }
}

PrimerCardForm(submitButton: { session in
    Button("Pay \(session.state.surchargeAmount ?? "")") {
        session.submit()
    }
    .disabled(!session.state.isValid || session.state.isLoading)
})

.primerCheckoutSession(session) { state in
    if case let .failure(error, _) = state {
        // Share this value with Primer support
        print("Diagnostics ID: \(error.diagnosticsId)")
    }
}