カードの基本的な組み込みを移行する

const handleServerResponse = async (responseJson) => {
  if (responseJson.error) {
    // Show error from server on payment form
  } else if (responseJson.requiresAction) {
    // Use Stripe.js to handle the required card action
    const { error: errorAction, paymentIntent } =
      await stripe.handleCardAction(responseJson.clientSecret);

    if (errorAction) {
      // Show error from Stripe.js in payment form
    } else {
      // The card action has been handled
      // The PaymentIntent can be confirmed again on the server
      const serverResponse = await fetch('/pay', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ payment_intent_id: paymentIntent.id })
      });
      handleServerResponse(await serverResponse.json());
    }
  } else {
    // Show success message
  }
}