Function isCheckoutSessionResponse

example/src/api/checkoutSession.ts:17–24

(
  value: unknown
)

  typeof value === 'object' && value !== null;

const isCheckoutSessionResponse = (
  value: unknown
): value is CheckoutSessionResponse =>
  isRecord(value) &&
  typeof value.publishableKey === 'string' &&
  value.publishableKey.length > 0 &&
  typeof value.checkoutSessionClientSecret === 'string' &&
  value.checkoutSessionClientSecret.length > 0;

const getCheckoutSessionErrorMessage = (value: unknown): string | undefined => {
  if (typeof value === 'string') {