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Feat: enchance isCreditCard #2008

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Oct 17, 2022
Merged

Feat: enchance isCreditCard #2008

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c931036
changed providers to optional parameter in options object
Aug 22, 2022
0eaded6
changed providers to optional parameter in options object
Aug 22, 2022
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2 changes: 1 addition & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -103,7 +103,7 @@ Validator | Description
**isBoolean(str [, options])** | check if a string is a boolean.<br/>`options` is an object which defaults to `{ loose: false }`. If loose is is set to false, the validator will strictly match ['true', 'false', '0', '1']. If loose is set to true, the validator will also match 'yes', 'no', and will match a valid boolean string of any case. (eg: ['true', 'True', 'TRUE']).
**isBtcAddress(str)** | check if the string is a valid BTC address.
**isByteLength(str [, options])** | check if the string's length (in UTF-8 bytes) falls in a range.<br/><br/>`options` is an object which defaults to `{min:0, max: undefined}`.
**isCreditCard(str)** | check if the string is a credit card.
**isCreditCard(card, [, options])** | check if the string is a credit card.<br/><br/> options is an optional object that can be supplied with the following key(s): `provider` is an optional key whose value should be a string, and defines the company issuing the credit card. Valid values include `amex` , `dinersclub` , `discover` , `jcb` , `mastercard` , `unionpay` , `visa` or blank will check for any provider.
**isCurrency(str [, options])** | check if the string is a valid currency amount.<br/><br/>`options` is an object which defaults to `{symbol: '$', require_symbol: false, allow_space_after_symbol: false, symbol_after_digits: false, allow_negatives: true, parens_for_negatives: false, negative_sign_before_digits: false, negative_sign_after_digits: false, allow_negative_sign_placeholder: false, thousands_separator: ',', decimal_separator: '.', allow_decimal: true, require_decimal: false, digits_after_decimal: [2], allow_space_after_digits: false}`.<br/>**Note:** The array `digits_after_decimal` is filled with the exact number of digits allowed not a range, for example a range 1 to 3 will be given as [1, 2, 3].
**isDataURI(str)** | check if the string is a [data uri format](https://developer.mozilla.org/en-US/docs/Web/HTTP/data_URIs).
**isDate(input [, options])** | Check if the input is a valid date. e.g. [`2002-07-15`, new Date()].<br/><br/> `options` is an object which can contain the keys `format`, `strictMode` and/or `delimiters`<br/><br/>`format` is a string and defaults to `YYYY/MM/DD`.<br/><br/>`strictMode` is a boolean and defaults to `false`. If `strictMode` is set to true, the validator will reject inputs different from `format`.<br/><br/> `delimiters` is an array of allowed date delimiters and defaults to `['/', '-']`.
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31 changes: 25 additions & 6 deletions src/lib/isCreditCard.js
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Original file line number Diff line number Diff line change
@@ -1,15 +1,34 @@
import assertString from './util/assertString';
import isLuhnValid from './isLuhnValid';

const 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}))$/,
visa: /^(?:4[0-9]{12})(?:[0-9]{3,6})?$/,
};
/* eslint-disable max-len */
const creditCard = /^(?:4[0-9]{12}(?:[0-9]{3,6})?|5[1-5][0-9]{14}|(222[1-9]|22[3-9][0-9]|2[3-6][0-9]{2}|27[01][0-9]|2720)[0-9]{12}|6(?:011|5[0-9][0-9])[0-9]{12,15}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\d{3})\d{11}|6[27][0-9]{14}|^(81[0-9]{14,17}))$/;
const allCards = /^(?:4[0-9]{12}(?:[0-9]{3,6})?|5[1-5][0-9]{14}|(222[1-9]|22[3-9][0-9]|2[3-6][0-9]{2}|27[01][0-9]|2720)[0-9]{12}|6(?:011|5[0-9][0-9])[0-9]{12,15}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\d{3})\d{11}|6[27][0-9]{14}|^(81[0-9]{14,17}))$/;
/* eslint-enable max-len */

export default function isCreditCard(str) {
assertString(str);
const sanitized = str.replace(/[- ]+/g, '');
if (!creditCard.test(sanitized)) {
export default function isCreditCard(card, options = {}) {
assertString(card);
const { provider } = options;
const 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(`${provider} is not a valid credit card provider.`);
} else if (!(allCards.test(sanitized))) {
// no specific provider
return false;
}
return isLuhnValid(str);
return isLuhnValid(card);
}
270 changes: 270 additions & 0 deletions test/validators.js
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Original file line number Diff line number Diff line change
Expand Up @@ -5128,6 +5128,276 @@ describe('Validators', () => {
});
});


it('should validate credit cards without a proper provider', () => {
test({
validator: 'isCreditCard',
args: [{ provider: 'Plorf' }],
error: [
'foo',
// valid cc #
'375556917985515',
'4716-2210-5188-5662',
'375556917985515999999993',
'6234917882863855suffix',
],
});
});


it('should validate AmEx provided credit cards', () => {
test({
validator: 'isCreditCard',
args: [{ provider: 'AmEx' }],
valid: [
'375556917985515',
],
invalid: [
'foo',
'2222155765072228',
'2225855203075256',
'2720428011723762',
'2718760626256570',
'36050234196908',
'375556917985515999999993',
'4716461583322103',
'4716-2210-5188-5662',
'4716989580001715211',
'4929 7226 5379 7141',
'5398228707871527',
'6234917882863855suffix',
'6283875070985593',
'6263892624162870',
'6234917882863855',
'6234698580215388',
'6226050967750613',
'6246281879460688',
'6283875070985593',
'6765780016990268',
'8171999927660000',
'8171999900000000021',
],
});
});


it('should validate Diners Club provided credit cards', () => {
test({
validator: 'isCreditCard',
args: [{ provider: 'DinersClub' }],
valid: [
'36050234196908',
],
invalid: [
'foo',
'2222155765072228',
'2225855203075256',
'2720428011723762',
'2718760626256570',
'375556917985515',
'375556917985515999999993',
'4716461583322103',
'4716-2210-5188-5662',
'4716989580001715211',
'4929 7226 5379 7141',
'5398228707871527',
'6234917882863855suffix',
'6283875070985593',
'6263892624162870',
'6234917882863855',
'6234698580215388',
'6226050967750613',
'6246281879460688',
'6283875070985593',
'6765780016990268',
'8171999927660000',
'8171999900000000021',
],
});
});

it('should validate Discover provided credit cards', () => {
test({
validator: 'isCreditCard',
args: [{ provider: 'Discover' }],
valid: [
'6011111111111117',
'6011000990139424',
],
invalid: [
'foo',
'2222155765072228',
'2225855203075256',
'2720428011723762',
'2718760626256570',
'36050234196908',
'375556917985515',
'375556917985515999999993',
'4716461583322103',
'4716-2210-5188-5662',
'4716989580001715211',
'4929 7226 5379 7141',
'5398228707871527',
'6234917882863855suffix',
'6283875070985593',
'6263892624162870',
'6234917882863855',
'6234698580215388',
'6226050967750613',
'6246281879460688',
'6283875070985593',
'6765780016990268',
'8171999927660000',
'8171999900000000021',
],
});
});

it('should validate JCB provided credit cards', () => {
test({
validator: 'isCreditCard',
args: [{ provider: 'JCB' }],
valid: [
'3530111333300000',
'3566002020360505',
],
invalid: [
'foo',
'2222155765072228',
'2225855203075256',
'2720428011723762',
'2718760626256570',
'36050234196908',
'375556917985515',
'375556917985515999999993',
'4716461583322103',
'4716-2210-5188-5662',
'4716989580001715211',
'4929 7226 5379 7141',
'5398228707871527',
'6234917882863855suffix',
'6283875070985593',
'6263892624162870',
'6234917882863855',
'6234698580215388',
'6226050967750613',
'6246281879460688',
'6283875070985593',
'6765780016990268',
'8171999927660000',
'8171999900000000021',
],
});
});


it('should validate Mastercard provided credit cards', () => {
test({
validator: 'isCreditCard',
args: [{ provider: 'Mastercard' }],
valid: [
'2222155765072228',
'2225855203075256',
'2718760626256570',
'2720428011723762',
'5398228707871527',
],
invalid: [
'foo',
'36050234196908',
'375556917985515',
'375556917985515999999993',
'4716461583322103',
'4716-2210-5188-5662',
'4716989580001715211',
'4929 7226 5379 7141',
'6234917882863855suffix',
'6283875070985593',
'6263892624162870',
'6234917882863855',
'6234698580215388',
'6226050967750613',
'6246281879460688',
'6283875070985593',
'6765780016990268',
'8171999927660000',
'8171999900000000021',
],
});
});


it('should validate Union Pay provided credit cards', () => {
test({
validator: 'isCreditCard',
args: [{ provider: 'UnionPay' }],
valid: [
'6226050967750613',
'6234917882863855',
'6234698580215388',
'6246281879460688',
'6263892624162870',
'6283875070985593',
'6765780016990268',
'8171999927660000',
'8171999900000000021',
],
invalid: [
'foo',
'2222155765072228',
'2225855203075256',
'2720428011723762',
'2718760626256570',
'36050234196908',
'375556917985515',
'375556917985515999999993',
'4716461583322103',
'4716-2210-5188-5662',
'4716989580001715211',
'4929 7226 5379 7141',
'5398228707871527',
'6234917882863855suffix',
],
});
});


it('should validate Visa provided credit cards', () => {
test({
validator: 'isCreditCard',
args: [{ provider: 'Visa' }],
valid: [
'4716-2210-5188-5662',
'4716461583322103',
'4716989580001715211',
'4929 7226 5379 7141',
],
invalid: [
'foo',
'2222155765072228',
'2225855203075256',
'2720428011723762',
'2718760626256570',
'36050234196908',
'375556917985515',
'375556917985515999999993',
'5398228707871527',
'6234917882863855suffix',
'6283875070985593',
'6263892624162870',
'6234917882863855',
'6234698580215388',
'6226050967750613',
'6246281879460688',
'6283875070985593',
'6765780016990268',
'8171999927660000',
'8171999900000000021',
],
});
});


it('should validate identity cards', () => {
const fixtures = [
{
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