Function handleSubmit

examples/with-react/src/components/PaymentStep.tsx:40–46

(e: React.FormEvent)

    const [scenario, setScenario] = useState<PaymentScenario>(context.paymentScenario);

    function handleSubmit(e: React.FormEvent) {
        e.preventDefault();
        if (!canHandle("next")) {
            return;
        }
        handle("next", { cardNumber, expiry, cvv, scenario });
    }

    return (
        <div className="step-card">