credit-card-entry-declarative-processing.ts

function validateAndFormatCard(number: string, type: string) {
    const cardType = creditCardTypes[type];
    if (!cardType) {
        throw new Error('Unsupported card type');
    }
    const isValid = cardType.validate(number);
    const formattedNumber = cardType.format(number);
    return {
        isValid,
        formattedNumber,
        cardName: cardType.name,
        logoUri: cardType.logoUri
    };
}

// Example usage
const cardInfo = validateAndFormatCard("4111111111111111", "visa");
console.log(cardInfo);