Billing address

overflow.billingAddress(options?: BillingAddressElementOptions): BillingAddressElement

const billing = overflow.billingAddress({
  fields: {
    fullName: { splitMode: 'horizontal' },
    line2: { hidden: true },
    country: { supportedCountries: ['US', 'CA', 'GB'] },
  },
});

billing.on('onChange', ({ complete, value }) => {
  payButton.disabled = !complete;
});

billing.mount('#billing');

type BillingAddressValue = {
  line1: string;
  line2?: string;
  city: string;
  state: string;
  postalCode: string;
  country: string;
  fullName?: { firstName: string; lastName: string } | null;
  companyName?: string;
};

overflow.checkout({
  paymentMethods: ['card'],
  billingAddress: {
    fields: {
      country: { supportedCountries: ['US'] },
      line2: { hidden: true },
    },
  },
});