Checkout

Tax resolved before the button, a discount code, and a slot for your processor's card field.

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Category
Billing
Access
Pro
Source
623 lines · one file

The decision inside it

Tax before Pay, not after the charge

Choosing a country resolves the tax line while Pay waits, so the figure on the button is the figure on the statement. The component never sees a card number, that field belongs to your processor.

When to use it

Use Checkout for a paid sign-up: plan summary, email and company, country with tax worked out by your resolveTax, a discount code and a slot for your payment processor's card field. Prices are in cents.

Installation

How you get it

Paste this into Claude Code, Cursor, Codex or any coding agent. It installs the file and uses it as it is, instead of writing a new one.

Use Liro's Checkout for this.
Install it: npx shadcn@latest add @liro/checkout-form
(the @liro registry is set up in components.json, with LIRO_KEY in .env.local)
Import it from @/components/ui/checkout-form.
Do not rewrite or restyle it. Pass my data through its props
and keep its built-in states.

For the full brief with every prop and the mistakes assistants usually make, use Copy prompt above. Pro components install through the @liro registry with your CLI token: see the Namespaced tab.

Usage

components/checkout.tsx
import { CheckoutForm } from "@/components/ui/checkout-form";

export function Checkout({ pay }: { pay: (details: { email: string; country: string; total: number }) => Promise<void> }) {
  return (
    <CheckoutForm
      plan={{ name: "Team", price: 8900, interval: "month" }}
      countries={[{ code: "IE", name: "Ireland" }, { code: "US", name: "United States" }]}
      resolveTax={async (country) => (country === "IE" ? { name: "VAT", rate: 0.23 } : null)}
      nextChargeOn="14 Nov"
      onPay={pay}
    />
  );
}

API reference

“Copy prompt” above puts a full brief on your clipboard, install command, dependencies, props, and the mistakes an assistant usually makes with this component.

Props

Read from the component’s own TypeScript interface when the site is built, so this table cannot drift from the file you install.

TypeNotes
plan{ name: string; price: Cents; interval: "month" | "year" } Yes–
descriptionstring NoOne line under the title: what they are buying, in words.
referencestring NoThe order reference, shown beside the title: "#40950".
countriesCheckoutCountry[] Yes–
defaultCountrystring No–
resolveTax(country: string) => Promise<TaxRule | null> YesResolve tax for a country. Asynchronous, because the buyer's tax service usually is — and while it runs, Pay waits. `null` means no tax applies, which is shown as a line, not left out.
applyCode(code: string) => Promise<CodeResult> NoValidate a discount code. Omit to hide the option.
cardElementReact.ReactNode NoThe processor's card field. This component never renders its own.
nextChargeOnstring YesWhen the next full charge happens: "14 Oct".
defaultEmailstring No–
defaultCompanystring No–
currencystring No–
localestring No–
titlestring No–
onPay(details: { No–
emailstring Yes–
companystring Yes–
countrystring Yes–
taxIdstring Yes–
codestring No–
totalCents Yes–
lookLook NoLayered puts the order summary in the tray and the billing details on the card. Flat is one card.

Dependencies

npm packages

clsxframer-motionlucide-reacttailwind-merge

Liro foundations, installed alongside it

liro-theme

Accessibility

  • Keyboard reachable throughout, in visual order
  • Focus trapped in overlays, Escape closes them
  • Focus returns to whatever opened it
  • Live regions announce what changed, not that something did
  • Honours prefers-reduced-motion

Responsive behavior

  • Sizes to its container, not the viewport
  • Usable from 320px up
  • Pointer-based interaction, so trackpad and touch both work
  • No hover-only affordances