Function fetchCheckoutSessionParams

example/src/api/checkoutSession.ts:117–149

(
  config: CheckoutPlaygroundConfig
)

}

export async function fetchCheckoutSessionParams(
  config: CheckoutPlaygroundConfig
): Promise<CheckoutSessionResponse> {
  if (normalizePaymentMethodTypes(config.paymentMethodTypes).length === 0) {
    throw new Error('Select at least one payment method.');
  }

  const response = await fetch(hostedCheckoutEndpoint, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
    },
    body: JSON.stringify(buildCheckoutSessionRequestBody(config)),
  });

  const responseBody = await parseCheckoutSessionResponseBody(response);

  if (!response.ok) {
    throw new Error(
      getCheckoutSessionErrorMessage(responseBody) ||
        'Failed to create checkout session.'
    );
  }

  if (!isCheckoutSessionResponse(responseBody)) {
    throw new Error('Checkout session response was missing required fields.');
  }

  return {
    publishableKey: responseBody.publishableKey,
    checkoutSessionClientSecret: responseBody.checkoutSessionClientSecret,
  };
}