/var/www/qr4y.com/server/delivery/node_modules/validator/lib
Edit: /var/www/qr4y.com/server/delivery/node_modules/validator/lib/isTaxID.js (41432B)
"use strict";
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = isTaxID;
var _assertString = _interopRequireDefault(require("./util/assertString"));
var algorithms = _interopRequireWildcard(require("./util/algorithms"));
var _isDate = _interopRequireDefault(require("./isDate"));
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
/**
* TIN Validation
* Validates Tax Identification Numbers (TINs) from the US, EU member states and the United Kingdom.
*
* EU-UK:
* National TIN validity is calculated using public algorithms as made available by DG TAXUD.
*
* See `https://ec.europa.eu/taxation_customs/tin/specs/FS-TIN%20Algorithms-Public.docx` for more information.
*
* US:
* An Employer Identification Number (EIN), also known as a Federal Tax Identification Number,
* is used to identify a business entity.
*
* NOTES:
* - Prefix 47 is being reserved for future use
* - Prefixes 26, 27, 45, 46 and 47 were previously assigned by the Philadelphia campus.
*
* See `http://www.irs.gov/Businesses/Small-Businesses-&-Self-Employed/How-EINs-are-Assigned-and-Valid-EIN-Prefixes`
* for more information.
*/
// Locale functions
/*
* bg-BG validation function
* (Edinen graždanski nomer (EGN/ЕГН), persons only)
* Checks if birth date (first six digits) is valid and calculates check (last) digit
*/
function bgBgCheck(tin) {
// Extract full year, normalize month and check birth date validity
var century_year = tin.slice(0, 2);
var month = parseInt(tin.slice(2, 4), 10);
if (month > 40) {
month -= 40;
century_year = "20".concat(century_year);
} else if (month > 20) {
month -= 20;
century_year = "18".concat(century_year);
} else {
century_year = "19".concat(century_year);
}
if (month < 10) {
month = "0".concat(month);
}
var date = "".concat(century_year, "/").concat(month, "/").concat(tin.slice(4, 6));
if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
return false;
} // split digits into an array for further processing
var digits = tin.split('').map(function (a) {
return parseInt(a, 10);
}); // Calculate checksum by multiplying digits with fixed values
var multip_lookup = [2, 4, 8, 5, 10, 9, 7, 3, 6];
var checksum = 0;
for (var i = 0; i < multip_lookup.length; i++) {
checksum += digits[i] * multip_lookup[i];
}
checksum = checksum % 11 === 10 ? 0 : checksum % 11;
return checksum === digits[9];
}
/*
* cs-CZ validation function
* (Rodné číslo (RČ), persons only)
* Checks if birth date (first six digits) is valid and divisibility by 11
* Material not in DG TAXUD document sourced from:
* -`https://lorenc.info/3MA381/overeni-spravnosti-rodneho-cisla.htm`
* -`https://www.mvcr.cz/clanek/rady-a-sluzby-dokumenty-rodne-cislo.aspx`
*/
function csCzCheck(tin) {
tin = tin.replace(/\W/, ''); // Extract full year from TIN length
var full_year = parseInt(tin.slice(0, 2), 10);
if (tin.length === 10) {
if (full_year < 54) {
full_year = "20".concat(full_year);
} else {
full_year = "19".concat(full_year);
}
} else {
if (tin.slice(6) === '000') {
return false;
} // Three-zero serial not assigned before 1954
if (full_year < 54) {
full_year = "19".concat(full_year);
} else {
return false; // No 18XX years seen in any of the resources
}
} // Add missing zero if needed
if (full_year.length === 3) {
full_year = [full_year.slice(0, 2), '0', full_year.slice(2)].join('');
} // Extract month from TIN and normalize
var month = parseInt(tin.slice(2, 4), 10);
if (month > 50) {
month -= 50;
}
if (month > 20) {
// Month-plus-twenty was only introduced in 2004
if (parseInt(full_year, 10) < 2004) {
return false;
}
month -= 20;
}
if (month < 10) {
month = "0".concat(month);
} // Check date validity
var date = "".concat(full_year, "/").concat(month, "/").concat(tin.slice(4, 6));
if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
return false;
} // Verify divisibility by 11
if (tin.length === 10) {
if (parseInt(tin, 10) % 11 !== 0) {
// Some numbers up to and including 1985 are still valid if
// check (last) digit equals 0 and modulo of first 9 digits equals 10
var checkdigit = parseInt(tin.slice(0, 9), 10) % 11;
if (parseInt(full_year, 10) < 1986 && checkdigit === 10) {
if (parseInt(tin.slice(9), 10) !== 0) {
return false;
}
} else {
return false;
}
}
}
return true;
}
/*
* de-AT validation function
* (Abgabenkontonummer, persons/entities)
* Verify TIN validity by calling luhnCheck()
*/
function deAtCheck(tin) {
return algorithms.luhnCheck(tin);
}
/*
* de-DE validation function
* (Steueridentifikationsnummer (Steuer-IdNr.), persons only)
* Tests for single duplicate/triplicate value, then calculates ISO 7064 check (last) digit
* Partial implementation of spec (same result with both algorithms always)
*/
function deDeCheck(tin) {
// Split digits into an array for further processing
var digits = tin.split('').map(function (a) {
return parseInt(a, 10);
}); // Fill array with strings of number positions
var occurences = [];
for (var i = 0; i < digits.length - 1; i++) {
occurences.push('');
for (var j = 0; j < digits.length - 1; j++) {
if (digits[i] === digits[j]) {
occurences[i] += j;
}
}
} // Remove digits with one occurence and test for only one duplicate/triplicate
occurences = occurences.filter(function (a) {
return a.length > 1;
});
if (occurences.length !== 2 && occurences.length !== 3) {
return false;
} // In case of triplicate value only two digits are allowed next to each other
if (occurences[0].length === 3) {
var trip_locations = occurences[0].split('').map(function (a) {
return parseInt(a, 10);
});
var recurrent = 0; // Amount of neighbour occurences
for (var _i = 0; _i < trip_locations.length - 1; _i++) {
if (trip_locations[_i] + 1 === trip_locations[_i + 1]) {
recurrent += 1;
}
}
if (recurrent === 2) {
return false;
}
}
return algorithms.iso7064Check(tin);
}
/*
* dk-DK validation function
* (CPR-nummer (personnummer), persons only)
* Checks if birth date (first six digits) is valid and assigned to century (seventh) digit,
* and calculates check (last) digit
*/
function dkDkCheck(tin) {
tin = tin.replace(/\W/, ''); // Extract year, check if valid for given century digit and add century
var year = parseInt(tin.slice(4, 6), 10);
var century_digit = tin.slice(6, 7);
switch (century_digit) {
case '0':
case '1':
case '2':
case '3':
year = "19".concat(year);
break;
case '4':
case '9':
if (year < 37) {
year = "20".concat(year);
} else {
year = "19".concat(year);
}
break;
default:
if (year < 37) {
year = "20".concat(year);
} else if (year > 58) {
year = "18".concat(year);
} else {
return false;
}
break;
} // Add missing zero if needed
if (year.length === 3) {
year = [year.slice(0, 2), '0', year.slice(2)].join('');
} // Check date validity
var date = "".concat(year, "/").concat(tin.slice(2, 4), "/").concat(tin.slice(0, 2));
if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
return false;
} // Split digits into an array for further processing
var digits = tin.split('').map(function (a) {
return parseInt(a, 10);
});
var checksum = 0;
var weight = 4; // Multiply by weight and add to checksum
for (var i = 0; i < 9; i++) {
checksum += digits[i] * weight;
weight -= 1;
if (weight === 1) {
weight = 7;
}
}
checksum %= 11;
if (checksum === 1) {
return false;
}
return checksum === 0 ? digits[9] === 0 : digits[9] === 11 - checksum;
}
/*
* el-CY validation function
* (Arithmos Forologikou Mitroou (AFM/ΑΦΜ), persons only)
* Verify TIN validity by calculating ASCII value of check (last) character
*/
function elCyCheck(tin) {
// split digits into an array for further processing
var digits = tin.slice(0, 8).split('').map(function (a) {
return parseInt(a, 10);
});
var checksum = 0; // add digits in even places
for (var i = 1; i < digits.length; i += 2) {
checksum += digits[i];
} // add digits in odd places
for (var _i2 = 0; _i2 < digits.length; _i2 += 2) {
if (digits[_i2] < 2) {
checksum += 1 - digits[_i2];
} else {
checksum += 2 * (digits[_i2] - 2) + 5;
if (digits[_i2] > 4) {
checksum += 2;
}
}
}
return String.fromCharCode(checksum % 26 + 65) === tin.charAt(8);
}
/*
* el-GR validation function
* (Arithmos Forologikou Mitroou (AFM/ΑΦΜ), persons/entities)
* Verify TIN validity by calculating check (last) digit
* Algorithm not in DG TAXUD document- sourced from:
* - `http://epixeirisi.gr/%CE%9A%CE%A1%CE%99%CE%A3%CE%99%CE%9C%CE%91-%CE%98%CE%95%CE%9C%CE%91%CE%A4%CE%91-%CE%A6%CE%9F%CE%A1%CE%9F%CE%9B%CE%9F%CE%93%CE%99%CE%91%CE%A3-%CE%9A%CE%91%CE%99-%CE%9B%CE%9F%CE%93%CE%99%CE%A3%CE%A4%CE%99%CE%9A%CE%97%CE%A3/23791/%CE%91%CF%81%CE%B9%CE%B8%CE%BC%CF%8C%CF%82-%CE%A6%CE%BF%CF%81%CE%BF%CE%BB%CE%BF%CE%B3%CE%B9%CE%BA%CE%BF%CF%8D-%CE%9C%CE%B7%CF%84%CF%81%CF%8E%CE%BF%CF%85`
*/
function elGrCheck(tin) {
// split digits into an array for further processing
var digits = tin.split('').map(function (a) {
return parseInt(a, 10);
});
var checksum = 0;
for (var i = 0; i < 8; i++) {
checksum += digits[i] * Math.pow(2, 8 - i);
}
return checksum % 11 % 10 === digits[8];
}
/*
* en-GB validation function (should go here if needed)
* (National Insurance Number (NINO) or Unique Taxpayer Reference (UTR),
* persons/entities respectively)
*/
/*
* en-IE validation function
* (Personal Public Service Number (PPS No), persons only)
* Verify TIN validity by calculating check (second to last) character
*/
function enIeCheck(tin) {
var checksum = algorithms.reverseMultiplyAndSum(tin.split('').slice(0, 7).map(function (a) {
return parseInt(a, 10);
}), 8);
if (tin.length === 9 && tin[8] !== 'W') {
checksum += (tin[8].charCodeAt(0) - 64) * 9;
}
checksum %= 23;
if (checksum === 0) {
return tin[7].toUpperCase() === 'W';
}
return tin[7].toUpperCase() === String.fromCharCode(64 + checksum);
} // Valid US IRS campus prefixes
var enUsCampusPrefix = {
andover: ['10', '12'],
atlanta: ['60', '67'],
austin: ['50', '53'],
brookhaven: ['01', '02', '03', '04', '05', '06', '11', '13', '14', '16', '21', '22', '23', '25', '34', '51', '52', '54', '55', '56', '57', '58', '59', '65'],
cincinnati: ['30', '32', '35', '36', '37', '38', '61'],
fresno: ['15', '24'],
internet: ['20', '26', '27', '45', '46', '47'],
kansas: ['40', '44'],
memphis: ['94', '95'],
ogden: ['80', '90'],
philadelphia: ['33', '39', '41', '42', '43', '46', '48', '62', '63', '64', '66', '68', '71', '72', '73', '74', '75', '76', '77', '81', '82', '83', '84', '85', '86', '87', '88', '91', '92', '93', '98', '99'],
sba: ['31']
}; // Return an array of all US IRS campus prefixes
function enUsGetPrefixes() {
var prefixes = [];
for (var location in enUsCampusPrefix) {
// https://github.com/gotwarlost/istanbul/blob/master/ignoring-code-for-coverage.md#ignoring-code-for-coverage-purposes
// istanbul ignore else
if (enUsCampusPrefix.hasOwnProperty(location)) {
prefixes.push.apply(prefixes, _toConsumableArray(enUsCampusPrefix[location]));
}
}
return prefixes;
}
/*
* en-US validation function
* Verify that the TIN starts with a valid IRS campus prefix
*/
function enUsCheck(tin) {
return enUsGetPrefixes().indexOf(tin.substr(0, 2)) !== -1;
}
/*
* es-ES validation function
* (Documento Nacional de Identidad (DNI)
* or Número de Identificación de Extranjero (NIE), persons only)
* Verify TIN validity by calculating check (last) character
*/
function esEsCheck(tin) {
// Split characters into an array for further processing
var chars = tin.toUpperCase().split(''); // Replace initial letter if needed
if (isNaN(parseInt(chars[0], 10)) && chars.length > 1) {
var lead_replace = 0;
switch (chars[0]) {
case 'Y':
lead_replace = 1;
break;
case 'Z':
lead_replace = 2;
break;
default:
}
chars.splice(0, 1, lead_replace); // Fill with zeros if smaller than proper
} else {
while (chars.length < 9) {
chars.unshift(0);
}
} // Calculate checksum and check according to lookup
var lookup = ['T', 'R', 'W', 'A', 'G', 'M', 'Y', 'F', 'P', 'D', 'X', 'B', 'N', 'J', 'Z', 'S', 'Q', 'V', 'H', 'L', 'C', 'K', 'E'];
chars = chars.join('');
var checksum = parseInt(chars.slice(0, 8), 10) % 23;
return chars[8] === lookup[checksum];
}
/*
* et-EE validation function
* (Isikukood (IK), persons only)
* Checks if birth date (century digit and six following) is valid and calculates check (last) digit
* Material not in DG TAXUD document sourced from:
* - `https://www.oecd.org/tax/automatic-exchange/crs-implementation-and-assistance/tax-identification-numbers/Estonia-TIN.pdf`
*/
function etEeCheck(tin) {
// Extract year and add century
var full_year = tin.slice(1, 3);
var century_digit = tin.slice(0, 1);
switch (century_digit) {
case '1':
case '2':
full_year = "18".concat(full_year);
break;
case '3':
case '4':
full_year = "19".concat(full_year);
break;
default:
full_year = "20".concat(full_year);
break;
} // Check date validity
var date = "".concat(full_year, "/").concat(tin.slice(3, 5), "/").concat(tin.slice(5, 7));
if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
return false;
} // Split digits into an array for further processing
var digits = tin.split('').map(function (a) {
return parseInt(a, 10);
});
var checksum = 0;
var weight = 1; // Multiply by weight and add to checksum
for (var i = 0; i < 10; i++) {
checksum += digits[i] * weight;
weight += 1;
if (weight === 10) {
weight = 1;
}
} // Do again if modulo 11 of checksum is 10
if (checksum % 11 === 10) {
checksum = 0;
weight = 3;
for (var _i3 = 0; _i3 < 10; _i3++) {
checksum += digits[_i3] * weight;
weight += 1;
if (weight === 10) {
weight = 1;
}
}
if (checksum % 11 === 10) {
return digits[10] === 0;
}
}
return checksum % 11 === digits[10];
}
/*
* fi-FI validation function
* (Henkilötunnus (HETU), persons only)
* Checks if birth date (first six digits plus century symbol) is valid
* and calculates check (last) digit
*/
function fiFiCheck(tin) {
// Extract year and add century
var full_year = tin.slice(4, 6);
var century_symbol = tin.slice(6, 7);
switch (century_symbol) {
case '+':
full_year = "18".concat(full_year);
break;
case '-':
full_year = "19".concat(full_year);
break;
default:
full_year = "20".concat(full_year);
break;
} // Check date validity
var date = "".concat(full_year, "/").concat(tin.slice(2, 4), "/").concat(tin.slice(0, 2));
if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
return false;
} // Calculate check character
var checksum = parseInt(tin.slice(0, 6) + tin.slice(7, 10), 10) % 31;
if (checksum < 10) {
return checksum === parseInt(tin.slice(10), 10);
}
checksum -= 10;
var letters_lookup = ['A', 'B', 'C', 'D', 'E', 'F', 'H', 'J', 'K', 'L', 'M', 'N', 'P', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y'];
return letters_lookup[checksum] === tin.slice(10);
}
/*
* fr/nl-BE validation function
* (Numéro national (N.N.), persons only)
* Checks if birth date (first six digits) is valid and calculates check (last two) digits
*/
function frBeCheck(tin) {
// Zero month/day value is acceptable
if (tin.slice(2, 4) !== '00' || tin.slice(4, 6) !== '00') {
// Extract date from first six digits of TIN
var date = "".concat(tin.slice(0, 2), "/").concat(tin.slice(2, 4), "/").concat(tin.slice(4, 6));
if (!(0, _isDate.default)(date, 'YY/MM/DD')) {
return false;
}
}
var checksum = 97 - parseInt(tin.slice(0, 9), 10) % 97;
var checkdigits = parseInt(tin.slice(9, 11), 10);
if (checksum !== checkdigits) {
checksum = 97 - parseInt("2".concat(tin.slice(0, 9)), 10) % 97;
if (checksum !== checkdigits) {
return false;
}
}
return true;
}
/*
* fr-FR validation function
* (Numéro fiscal de référence (numéro SPI), persons only)
* Verify TIN validity by calculating check (last three) digits
*/
function frFrCheck(tin) {
tin = tin.replace(/\s/g, '');
var checksum = parseInt(tin.slice(0, 10), 10) % 511;
var checkdigits = parseInt(tin.slice(10, 13), 10);
return checksum === checkdigits;
}
/*
* fr/lb-LU validation function
* (numéro d’identification personnelle, persons only)
* Verify birth date validity and run Luhn and Verhoeff checks
*/
function frLuCheck(tin) {
// Extract date and check validity
var date = "".concat(tin.slice(0, 4), "/").concat(tin.slice(4, 6), "/").concat(tin.slice(6, 8));
if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
return false;
} // Run Luhn check
if (!algorithms.luhnCheck(tin.slice(0, 12))) {
return false;
} // Remove Luhn check digit and run Verhoeff check
return algorithms.verhoeffCheck("".concat(tin.slice(0, 11)).concat(tin[12]));
}
/*
* hr-HR validation function
* (Osobni identifikacijski broj (OIB), persons/entities)
* Verify TIN validity by calling iso7064Check(digits)
*/
function hrHrCheck(tin) {
return algorithms.iso7064Check(tin);
}
/*
* hu-HU validation function
* (Adóazonosító jel, persons only)
* Verify TIN validity by calculating check (last) digit
*/
function huHuCheck(tin) {
// split digits into an array for further processing
var digits = tin.split('').map(function (a) {
return parseInt(a, 10);
});
var checksum = 8;
for (var i = 1; i < 9; i++) {
checksum += digits[i] * (i + 1);
}
return checksum % 11 === digits[9];
}
/*
* lt-LT validation function (should go here if needed)
* (Asmens kodas, persons/entities respectively)
* Current validation check is alias of etEeCheck- same format applies
*/
/*
* it-IT first/last name validity check
* Accepts it-IT TIN-encoded names as a three-element character array and checks their validity
* Due to lack of clarity between resources ("Are only Italian consonants used?
* What happens if a person has X in their name?" etc.) only two test conditions
* have been implemented:
* Vowels may only be followed by other vowels or an X character
* and X characters after vowels may only be followed by other X characters.
*/
function itItNameCheck(name) {
// true at the first occurence of a vowel
var vowelflag = false; // true at the first occurence of an X AFTER vowel
// (to properly handle last names with X as consonant)
var xflag = false;
for (var i = 0; i < 3; i++) {
if (!vowelflag && /[AEIOU]/.test(name[i])) {
vowelflag = true;
} else if (!xflag && vowelflag && name[i] === 'X') {
xflag = true;
} else if (i > 0) {
if (vowelflag && !xflag) {
if (!/[AEIOU]/.test(name[i])) {
return false;
}
}
if (xflag) {
if (!/X/.test(name[i])) {
return false;
}
}
}
}
return true;
}
/*
* it-IT validation function
* (Codice fiscale (TIN-IT), persons only)
* Verify name, birth date and codice catastale validity
* and calculate check character.
* Material not in DG-TAXUD document sourced from:
* `https://en.wikipedia.org/wiki/Italian_fiscal_code`
*/
function itItCheck(tin) {
// Capitalize and split characters into an array for further processing
var chars = tin.toUpperCase().split(''); // Check first and last name validity calling itItNameCheck()
if (!itItNameCheck(chars.slice(0, 3))) {
return false;
}
if (!itItNameCheck(chars.slice(3, 6))) {
return false;
} // Convert letters in number spaces back to numbers if any
var number_locations = [6, 7, 9, 10, 12, 13, 14];
var number_replace = {
L: '0',
M: '1',
N: '2',
P: '3',
Q: '4',
R: '5',
S: '6',
T: '7',
U: '8',
V: '9'
};
for (var _i4 = 0, _number_locations = number_locations; _i4 < _number_locations.length; _i4++) {
var i = _number_locations[_i4];
if (chars[i] in number_replace) {
chars.splice(i, 1, number_replace[chars[i]]);
}
} // Extract month and day, and check date validity
var month_replace = {
A: '01',
B: '02',
C: '03',
D: '04',
E: '05',
H: '06',
L: '07',
M: '08',
P: '09',
R: '10',
S: '11',
T: '12'
};
var month = month_replace[chars[8]];
var day = parseInt(chars[9] + chars[10], 10);
if (day > 40) {
day -= 40;
}
if (day < 10) {
day = "0".concat(day);
}
var date = "".concat(chars[6]).concat(chars[7], "/").concat(month, "/").concat(day);
if (!(0, _isDate.default)(date, 'YY/MM/DD')) {
return false;
} // Calculate check character by adding up even and odd characters as numbers
var checksum = 0;
for (var _i5 = 1; _i5 < chars.length - 1; _i5 += 2) {
var char_to_int = parseInt(chars[_i5], 10);
if (isNaN(char_to_int)) {
char_to_int = chars[_i5].charCodeAt(0) - 65;
}
checksum += char_to_int;
}
var odd_convert = {
// Maps of characters at odd places
A: 1,
B: 0,
C: 5,
D: 7,
E: 9,
F: 13,
G: 15,
H: 17,
I: 19,
J: 21,
K: 2,
L: 4,
M: 18,
N: 20,
O: 11,
P: 3,
Q: 6,
R: 8,
S: 12,
T: 14,
U: 16,
V: 10,
W: 22,
X: 25,
Y: 24,
Z: 23,
0: 1,
1: 0
};
for (var _i6 = 0; _i6 < chars.length - 1; _i6 += 2) {
var _char_to_int = 0;
if (chars[_i6] in odd_convert) {
_char_to_int = odd_convert[chars[_i6]];
} else {
var multiplier = parseInt(chars[_i6], 10);
_char_to_int = 2 * multiplier + 1;
if (multiplier > 4) {
_char_to_int += 2;
}
}
checksum += _char_to_int;
}
if (String.fromCharCode(65 + checksum % 26) !== chars[15]) {
return false;
}
return true;
}
/*
* lv-LV validation function
* (Personas kods (PK), persons only)
* Check validity of birth date and calculate check (last) digit
* Support only for old format numbers (not starting with '32', issued before 2017/07/01)
* Material not in DG TAXUD document sourced from:
* `https://boot.ritakafija.lv/forums/index.php?/topic/88314-personas-koda-algoritms-%C4%8Deksumma/`
*/
function lvLvCheck(tin) {
tin = tin.replace(/\W/, ''); // Extract date from TIN
var day = tin.slice(0, 2);
if (day !== '32') {
// No date/checksum check if new format
var month = tin.slice(2, 4);
if (month !== '00') {
// No date check if unknown month
var full_year = tin.slice(4, 6);
switch (tin[6]) {
case '0':
full_year = "18".concat(full_year);
break;
case '1':
full_year = "19".concat(full_year);
break;
default:
full_year = "20".concat(full_year);
break;
} // Check date validity
var date = "".concat(full_year, "/").concat(tin.slice(2, 4), "/").concat(day);
if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
return false;
}
} // Calculate check digit
var checksum = 1101;
var multip_lookup = [1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
for (var i = 0; i < tin.length - 1; i++) {
checksum -= parseInt(tin[i], 10) * multip_lookup[i];
}
return parseInt(tin[10], 10) === checksum % 11;
}
return true;
}
/*
* mt-MT validation function
* (Identity Card Number or Unique Taxpayer Reference, persons/entities)
* Verify Identity Card Number structure (no other tests found)
*/
function mtMtCheck(tin) {
if (tin.length !== 9) {
// No tests for UTR
var chars = tin.toUpperCase().split(''); // Fill with zeros if smaller than proper
while (chars.length < 8) {
chars.unshift(0);
} // Validate format according to last character
switch (tin[7]) {
case 'A':
case 'P':
if (parseInt(chars[6], 10) === 0) {
return false;
}
break;
default:
{
var first_part = parseInt(chars.join('').slice(0, 5), 10);
if (first_part > 32000) {
return false;
}
var second_part = parseInt(chars.join('').slice(5, 7), 10);
if (first_part === second_part) {
return false;
}
}
}
}
return true;
}
/*
* nl-NL validation function
* (Burgerservicenummer (BSN) or Rechtspersonen Samenwerkingsverbanden Informatie Nummer (RSIN),
* persons/entities respectively)
* Verify TIN validity by calculating check (last) digit (variant of MOD 11)
*/
function nlNlCheck(tin) {
return algorithms.reverseMultiplyAndSum(tin.split('').slice(0, 8).map(function (a) {
return parseInt(a, 10);
}), 9) % 11 === parseInt(tin[8], 10);
}
/*
* pl-PL validation function
* (Powszechny Elektroniczny System Ewidencji Ludności (PESEL)
* or Numer identyfikacji podatkowej (NIP), persons/entities)
* Verify TIN validity by validating birth date (PESEL) and calculating check (last) digit
*/
function plPlCheck(tin) {
// NIP
if (tin.length === 10) {
// Calculate last digit by multiplying with lookup
var lookup = [6, 5, 7, 2, 3, 4, 5, 6, 7];
var _checksum = 0;
for (var i = 0; i < lookup.length; i++) {
_checksum += parseInt(tin[i], 10) * lookup[i];
}
_checksum %= 11;
if (_checksum === 10) {
return false;
}
return _checksum === parseInt(tin[9], 10);
} // PESEL
// Extract full year using month
var full_year = tin.slice(0, 2);
var month = parseInt(tin.slice(2, 4), 10);
if (month > 80) {
full_year = "18".concat(full_year);
month -= 80;
} else if (month > 60) {
full_year = "22".concat(full_year);
month -= 60;
} else if (month > 40) {
full_year = "21".concat(full_year);
month -= 40;
} else if (month > 20) {
full_year = "20".concat(full_year);
month -= 20;
} else {
full_year = "19".concat(full_year);
} // Add leading zero to month if needed
if (month < 10) {
month = "0".concat(month);
} // Check date validity
var date = "".concat(full_year, "/").concat(month, "/").concat(tin.slice(4, 6));
if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
return false;
} // Calculate last digit by mulitplying with odd one-digit numbers except 5
var checksum = 0;
var multiplier = 1;
for (var _i7 = 0; _i7 < tin.length - 1; _i7++) {
checksum += parseInt(tin[_i7], 10) * multiplier % 10;
multiplier += 2;
if (multiplier > 10) {
multiplier = 1;
} else if (multiplier === 5) {
multiplier += 2;
}
}
checksum = 10 - checksum % 10;
return checksum === parseInt(tin[10], 10);
}
/*
* pt-BR validation function
* (Cadastro de Pessoas Físicas (CPF, persons)
* Cadastro Nacional de Pessoas Jurídicas (CNPJ, entities)
* Both inputs will be validated
*/
function ptBrCheck(tin) {
if (tin.length === 11) {
var _sum;
var remainder;
_sum = 0;
if ( // Reject known invalid CPFs
tin === '11111111111' || tin === '22222222222' || tin === '33333333333' || tin === '44444444444' || tin === '55555555555' || tin === '66666666666' || tin === '77777777777' || tin === '88888888888' || tin === '99999999999' || tin === '00000000000') return false;
for (var i = 1; i <= 9; i++) {
_sum += parseInt(tin.substring(i - 1, i), 10) * (11 - i);
}
remainder = _sum * 10 % 11;
if (remainder === 10) remainder = 0;
if (remainder !== parseInt(tin.substring(9, 10), 10)) return false;
_sum = 0;
for (var _i8 = 1; _i8 <= 10; _i8++) {
_sum += parseInt(tin.substring(_i8 - 1, _i8), 10) * (12 - _i8);
}
remainder = _sum * 10 % 11;
if (remainder === 10) remainder = 0;
if (remainder !== parseInt(tin.substring(10, 11), 10)) return false;
return true;
}
if ( // Reject know invalid CNPJs
tin === '00000000000000' || tin === '11111111111111' || tin === '22222222222222' || tin === '33333333333333' || tin === '44444444444444' || tin === '55555555555555' || tin === '66666666666666' || tin === '77777777777777' || tin === '88888888888888' || tin === '99999999999999') {
return false;
}
var length = tin.length - 2;
var identifiers = tin.substring(0, length);
var verificators = tin.substring(length);
var sum = 0;
var pos = length - 7;
for (var _i9 = length; _i9 >= 1; _i9--) {
sum += identifiers.charAt(length - _i9) * pos;
pos -= 1;
if (pos < 2) {
pos = 9;
}
}
var result = sum % 11 < 2 ? 0 : 11 - sum % 11;
if (result !== parseInt(verificators.charAt(0), 10)) {
return false;
}
length += 1;
identifiers = tin.substring(0, length);
sum = 0;
pos = length - 7;
for (var _i10 = length; _i10 >= 1; _i10--) {
sum += identifiers.charAt(length - _i10) * pos;
pos -= 1;
if (pos < 2) {
pos = 9;
}
}
result = sum % 11 < 2 ? 0 : 11 - sum % 11;
if (result !== parseInt(verificators.charAt(1), 10)) {
return false;
}
return true;
}
/*
* pt-PT validation function
* (Número de identificação fiscal (NIF), persons/entities)
* Verify TIN validity by calculating check (last) digit (variant of MOD 11)
*/
function ptPtCheck(tin) {
var checksum = 11 - algorithms.reverseMultiplyAndSum(tin.split('').slice(0, 8).map(function (a) {
return parseInt(a, 10);
}), 9) % 11;
if (checksum > 9) {
return parseInt(tin[8], 10) === 0;
}
return checksum === parseInt(tin[8], 10);
}
/*
* ro-RO validation function
* (Cod Numeric Personal (CNP) or Cod de înregistrare fiscală (CIF),
* persons only)
* Verify CNP validity by calculating check (last) digit (test not found for CIF)
* Material not in DG TAXUD document sourced from:
* `https://en.wikipedia.org/wiki/National_identification_number#Romania`
*/
function roRoCheck(tin) {
if (tin.slice(0, 4) !== '9000') {
// No test found for this format
// Extract full year using century digit if possible
var full_year = tin.slice(1, 3);
switch (tin[0]) {
case '1':
case '2':
full_year = "19".concat(full_year);
break;
case '3':
case '4':
full_year = "18".concat(full_year);
break;
case '5':
case '6':
full_year = "20".concat(full_year);
break;
default:
} // Check date validity
var date = "".concat(full_year, "/").concat(tin.slice(3, 5), "/").concat(tin.slice(5, 7));
if (date.length === 8) {
if (!(0, _isDate.default)(date, 'YY/MM/DD')) {
return false;
}
} else if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
return false;
} // Calculate check digit
var digits = tin.split('').map(function (a) {
return parseInt(a, 10);
});
var multipliers = [2, 7, 9, 1, 4, 6, 3, 5, 8, 2, 7, 9];
var checksum = 0;
for (var i = 0; i < multipliers.length; i++) {
checksum += digits[i] * multipliers[i];
}
if (checksum % 11 === 10) {
return digits[12] === 1;
}
return digits[12] === checksum % 11;
}
return true;
}
/*
* sk-SK validation function
* (Rodné číslo (RČ) or bezvýznamové identifikačné číslo (BIČ), persons only)
* Checks validity of pre-1954 birth numbers (rodné číslo) only
* Due to the introduction of the pseudo-random BIČ it is not possible to test
* post-1954 birth numbers without knowing whether they are BIČ or RČ beforehand
*/
function skSkCheck(tin) {
if (tin.length === 9) {
tin = tin.replace(/\W/, '');
if (tin.slice(6) === '000') {
return false;
} // Three-zero serial not assigned before 1954
// Extract full year from TIN length
var full_year = parseInt(tin.slice(0, 2), 10);
if (full_year > 53) {
return false;
}
if (full_year < 10) {
full_year = "190".concat(full_year);
} else {
full_year = "19".concat(full_year);
} // Extract month from TIN and normalize
var month = parseInt(tin.slice(2, 4), 10);
if (month > 50) {
month -= 50;
}
if (month < 10) {
month = "0".concat(month);
} // Check date validity
var date = "".concat(full_year, "/").concat(month, "/").concat(tin.slice(4, 6));
if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
return false;
}
}
return true;
}
/*
* sl-SI validation function
* (Davčna številka, persons/entities)
* Verify TIN validity by calculating check (last) digit (variant of MOD 11)
*/
function slSiCheck(tin) {
var checksum = 11 - algorithms.reverseMultiplyAndSum(tin.split('').slice(0, 7).map(function (a) {
return parseInt(a, 10);
}), 8) % 11;
if (checksum === 10) {
return parseInt(tin[7], 10) === 0;
}
return checksum === parseInt(tin[7], 10);
}
/*
* sv-SE validation function
* (Personnummer or samordningsnummer, persons only)
* Checks validity of birth date and calls luhnCheck() to validate check (last) digit
*/
function svSeCheck(tin) {
// Make copy of TIN and normalize to two-digit year form
var tin_copy = tin.slice(0);
if (tin.length > 11) {
tin_copy = tin_copy.slice(2);
} // Extract date of birth
var full_year = '';
var month = tin_copy.slice(2, 4);
var day = parseInt(tin_copy.slice(4, 6), 10);
if (tin.length > 11) {
full_year = tin.slice(0, 4);
} else {
full_year = tin.slice(0, 2);
if (tin.length === 11 && day < 60) {
// Extract full year from centenarian symbol
// Should work just fine until year 10000 or so
var current_year = new Date().getFullYear().toString();
var current_century = parseInt(current_year.slice(0, 2), 10);
current_year = parseInt(current_year, 10);
if (tin[6] === '-') {
if (parseInt("".concat(current_century).concat(full_year), 10) > current_year) {
full_year = "".concat(current_century - 1).concat(full_year);
} else {
full_year = "".concat(current_century).concat(full_year);
}
} else {
full_year = "".concat(current_century - 1).concat(full_year);
if (current_year - parseInt(full_year, 10) < 100) {
return false;
}
}
}
} // Normalize day and check date validity
if (day > 60) {
day -= 60;
}
if (day < 10) {
day = "0".concat(day);
}
var date = "".concat(full_year, "/").concat(month, "/").concat(day);
if (date.length === 8) {
if (!(0, _isDate.default)(date, 'YY/MM/DD')) {
return false;
}
} else if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
return false;
}
return algorithms.luhnCheck(tin.replace(/\W/, ''));
} // Locale lookup objects
/*
* Tax id regex formats for various locales
*
* Where not explicitly specified in DG-TAXUD document both
* uppercase and lowercase letters are acceptable.
*/
var taxIdFormat = {
'bg-BG': /^\d{10}$/,
'cs-CZ': /^\d{6}\/{0,1}\d{3,4}$/,
'de-AT': /^\d{9}$/,
'de-DE': /^[1-9]\d{10}$/,
'dk-DK': /^\d{6}-{0,1}\d{4}$/,
'el-CY': /^[09]\d{7}[A-Z]$/,
'el-GR': /^([0-4]|[7-9])\d{8}$/,
'en-GB': /^\d{10}$|^(?!GB|NK|TN|ZZ)(?![DFIQUV])[A-Z](?![DFIQUVO])[A-Z]\d{6}[ABCD ]$/i,
'en-IE': /^\d{7}[A-W][A-IW]{0,1}$/i,
'en-US': /^\d{2}[- ]{0,1}\d{7}$/,
'es-ES': /^(\d{0,8}|[XYZKLM]\d{7})[A-HJ-NP-TV-Z]$/i,
'et-EE': /^[1-6]\d{6}(00[1-9]|0[1-9][0-9]|[1-6][0-9]{2}|70[0-9]|710)\d$/,
'fi-FI': /^\d{6}[-+A]\d{3}[0-9A-FHJ-NPR-Y]$/i,
'fr-BE': /^\d{11}$/,
'fr-FR': /^[0-3]\d{12}$|^[0-3]\d\s\d{2}(\s\d{3}){3}$/,
// Conforms both to official spec and provided example
'fr-LU': /^\d{13}$/,
'hr-HR': /^\d{11}$/,
'hu-HU': /^8\d{9}$/,
'it-IT': /^[A-Z]{6}[L-NP-V0-9]{2}[A-EHLMPRST][L-NP-V0-9]{2}[A-ILMZ][L-NP-V0-9]{3}[A-Z]$/i,
'lv-LV': /^\d{6}-{0,1}\d{5}$/,
// Conforms both to DG TAXUD spec and original research
'mt-MT': /^\d{3,7}[APMGLHBZ]$|^([1-8])\1\d{7}$/i,
'nl-NL': /^\d{9}$/,
'pl-PL': /^\d{10,11}$/,
'pt-BR': /(?:^\d{11}$)|(?:^\d{14}$)/,
'pt-PT': /^\d{9}$/,
'ro-RO': /^\d{13}$/,
'sk-SK': /^\d{6}\/{0,1}\d{3,4}$/,
'sl-SI': /^[1-9]\d{7}$/,
'sv-SE': /^(\d{6}[-+]{0,1}\d{4}|(18|19|20)\d{6}[-+]{0,1}\d{4})$/
}; // taxIdFormat locale aliases
taxIdFormat['lb-LU'] = taxIdFormat['fr-LU'];
taxIdFormat['lt-LT'] = taxIdFormat['et-EE'];
taxIdFormat['nl-BE'] = taxIdFormat['fr-BE']; // Algorithmic tax id check functions for various locales
var taxIdCheck = {
'bg-BG': bgBgCheck,
'cs-CZ': csCzCheck,
'de-AT': deAtCheck,
'de-DE': deDeCheck,
'dk-DK': dkDkCheck,
'el-CY': elCyCheck,
'el-GR': elGrCheck,
'en-IE': enIeCheck,
'en-US': enUsCheck,
'es-ES': esEsCheck,
'et-EE': etEeCheck,
'fi-FI': fiFiCheck,
'fr-BE': frBeCheck,
'fr-FR': frFrCheck,
'fr-LU': frLuCheck,
'hr-HR': hrHrCheck,
'hu-HU': huHuCheck,
'it-IT': itItCheck,
'lv-LV': lvLvCheck,
'mt-MT': mtMtCheck,
'nl-NL': nlNlCheck,
'pl-PL': plPlCheck,
'pt-BR': ptBrCheck,
'pt-PT': ptPtCheck,
'ro-RO': roRoCheck,
'sk-SK': skSkCheck,
'sl-SI': slSiCheck,
'sv-SE': svSeCheck
}; // taxIdCheck locale aliases
taxIdCheck['lb-LU'] = taxIdCheck['fr-LU'];
taxIdCheck['lt-LT'] = taxIdCheck['et-EE'];
taxIdCheck['nl-BE'] = taxIdCheck['fr-BE']; // Regexes for locales where characters should be omitted before checking format
var allsymbols = /[-\\\/!@#$%\^&\*\(\)\+\=\[\]]+/g;
var sanitizeRegexes = {
'de-AT': allsymbols,
'de-DE': /[\/\\]/g,
'fr-BE': allsymbols
}; // sanitizeRegexes locale aliases
sanitizeRegexes['nl-BE'] = sanitizeRegexes['fr-BE'];
/*
* Validator function
* Return true if the passed string is a valid tax identification number
* for the specified locale.
* Throw an error exception if the locale is not supported.
*/
function isTaxID(str) {
var locale = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'en-US';
(0, _assertString.default)(str); // Copy TIN to avoid replacement if sanitized
var strcopy = str.slice(0);
if (locale in taxIdFormat) {
if (locale in sanitizeRegexes) {
strcopy = strcopy.replace(sanitizeRegexes[locale], '');
}
if (!taxIdFormat[locale].test(strcopy)) {
return false;
}
if (locale in taxIdCheck) {
return taxIdCheck[locale](strcopy);
} // Fallthrough; not all locales have algorithmic checks
return true;
}
throw new Error("Invalid locale '".concat(locale, "'"));
}
module.exports = exports.default;
module.exports.default = exports.default;