import assertString from './util/assertString'; import isLuhnValid from './isLuhnNumber'; var cards = { amex: /^3[47][0-9]{13}$/, dinersclub: /^3(?:0[0-5]|[68][0-9])[0-9]{11}$/, discover: /^6(?:011|5[0-9][0-9])[0-9]{12,15}$/, jcb: /^(?:2131|1800|35\d{3})\d{11}$/, mastercard: /^5[1-5][0-9]{2}|(222[1-9]|22[3-9][0-9]|2[3-6][0-9]{2}|27[01][0-9]|2720)[0-9]{12}$/, // /^[25][1-7][0-9]{14}$/; unionpay: /^(6[27][0-9]{14}|^(81[0-9]{14,17}))$/, visa: /^(?:4[0-9]{12})(?:[0-9]{3,6})?$/ }; var allCards = function () { var tmpCardsArray = []; for (var cardProvider in cards) { // istanbul ignore else if (cards.hasOwnProperty(cardProvider)) { tmpCardsArray.push(cards[cardProvider]); } } return tmpCardsArray; }(); export default function isCreditCard(card) { var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; assertString(card); var provider = options.provider; var sanitized = card.replace(/[- ]+/g, ''); if (provider && provider.toLowerCase() in cards) { // specific provider in the list if (!cards[provider.toLowerCase()].test(sanitized)) { return false; } } else if (provider && !(provider.toLowerCase() in cards)) { /* specific provider not in the list */ throw new Error("".concat(provider, " is not a valid credit card provider.")); } else if (!allCards.some(function (cardProvider) { return cardProvider.test(sanitized); })) { // no specific provider return false; } return isLuhnValid(card); }