Skip to content

Commit

Permalink
Merge pull request #1989 from Dev1lDragon/patch-1
Browse files Browse the repository at this point in the history 
Update isVAT.js
  • Loading branch information
@rubiin
rubiin authored Jul 19, 2022
2 parents 35b5ffb + bcac756 commit 7832d4a
Show file tree
Hide file tree
Showing 3 changed files with 937 additions and 21 deletions.
2 changes: 1 addition & 1 deletion README.md
View file
Original file line number Diff line number Diff line change
Expand Up @@ -170,7 +170,7 @@ null' are accepted as valid JSON values.
**isURL(str [, options])** | check if the string is an URL.<br/><br/>`options` is an object which defaults to `{ protocols: ['http','https','ftp'], require_tld: true, require_protocol: false, require_host: true, require_port: false, require_valid_protocol: true, allow_underscores: false, host_whitelist: false, host_blacklist: false, allow_trailing_dot: false, allow_protocol_relative_urls: false, allow_fragments: true, allow_query_components: true, disallow_auth: false, validate_length: true }`.<br/><br/>require_protocol - if set as true isURL will return false if protocol is not present in the URL.<br/>require_valid_protocol - isURL will check if the URL's protocol is present in the protocols option.<br/>protocols - valid protocols can be modified with this option.<br/>require_host - if set as false isURL will not check if host is present in the URL.<br/>require_port - if set as true isURL will check if port is present in the URL.<br/>allow_protocol_relative_urls - if set as true protocol relative URLs will be allowed.<br/>allow_fragments - if set as false isURL will return false if fragments are present.<br/>allow_query_components - if set as false isURL will return false if query components are present.<br/>validate_length - if set as false isURL will skip string length validation (2083 characters is IE max URL length).
**isUUID(str [, version])** | check if the string is a UUID (version 1, 2, 3, 4 or 5).
**isVariableWidth(str)** | check if the string contains a mixture of full and half-width chars.
**isVAT(str, countryCode)** | checks that the string is a [valid VAT number](https://en.wikipedia.org/wiki/VAT_identification_number) if validation is available for the given country code matching [ISO 3166-1 alpha-2](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2). <br/><br/>Available country codes: `[ 'GB', 'IT','NL' ]`.
**isVAT(str, countryCode)** | checks that the string is a [valid VAT number](https://en.wikipedia.org/wiki/VAT_identification_number) if validation is available for the given country code matching [ISO 3166-1 alpha-2](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2). <br/><br/>Available country codes: `[ 'AT', 'BE', 'BG', 'HR', 'CY', 'CZ', 'DK', 'EE', 'FI', 'FR', 'DE', 'EL', 'HU', 'IE', 'IT', 'LV', 'LT', 'LU', 'MT', 'NL', 'PL', 'PT', 'RO', 'SK', 'SI', 'ES', 'SE', 'AL', 'MK', 'AU', 'BY', 'CA', 'IS', 'IN', 'ID', 'IL', 'KZ', 'NZ', 'NG', 'NO', 'PH', 'RU', 'SM', 'SA', 'RS', 'CH', 'TR', 'UA', 'GB', 'UZ', 'AR', 'BO', 'BR', 'CL', 'CO', 'CR', 'EC', 'SV', 'GT', 'HN', 'MX', 'NI', 'PA', 'PY', 'PE', 'DO', 'UY', 'VE' ]`.
**isWhitelisted(str, chars)** | checks characters if they appear in the whitelist.
**matches(str, pattern [, modifiers])** | check if string matches the pattern.<br/><br/>Either `matches('foo', /foo/i)` or `matches('foo', 'foo', 'i')`.

Expand Down
100 changes: 96 additions & 4 deletions src/lib/isVAT.js
View file
Original file line number Diff line number Diff line change
@@ -1,17 +1,109 @@
import assertString from './util/assertString';
import * as algorithms from './util/algorithms';

const PT = (str) => {
const match = str.match(/^(PT)?(\d{9})$/);
if (!match) {
return false;
}

const tin = match[2];

const checksum = 11 - (algorithms.reverseMultiplyAndSum(tin.split('').slice(0, 8).map(a => parseInt(a, 10)), 9) % 11);
if (checksum > 9) {
return parseInt(tin[8], 10) === 0;
}
return checksum === parseInt(tin[8], 10);
};

export const vatMatchers = {
GB: /^GB((\d{3} \d{4} ([0-8][0-9]|9[0-6]))|(\d{9} \d{3})|(((GD[0-4])|(HA[5-9]))[0-9]{2}))$/,
IT: /^(IT)?[0-9]{11}$/,
NL: /^(NL)?[0-9]{9}B[0-9]{2}$/,
/**
* European Union VAT identification numbers
*/
AT: str => /^(AT)?U\d{8}$/.test(str),
BE: str => /^(BE)?\d{10}$/.test(str),
BG: str => /^(BG)?\d{9,10}$/.test(str),
HR: str => /^(HR)?\d{11}$/.test(str),
CY: str => /^(CY)?\w{9}$/.test(str),
CZ: str => /^(CZ)?\d{8,10}$/.test(str),
DK: str => /^(DK)?\d{8}$/.test(str),
EE: str => /^(EE)?\d{9}$/.test(str),
FI: str => /^(FI)?\d{8}$/.test(str),
FR: str => /^(FR)?\w{2}\d{9}$/.test(str),
DE: str => /^(DE)?\d{9}$/.test(str),
EL: str => /^(EL)?\d{9}$/.test(str),
HU: str => /^(HU)?\d{8}$/.test(str),
IE: str => /^(IE)?\d{7}\w{1}(W)?$/.test(str),
IT: str => /^(IT)?\d{11}$/.test(str),
LV: str => /^(LV)?\d{11}$/.test(str),
LT: str => /^(LT)?\d{9,12}$/.test(str),
LU: str => /^(LU)?\d{8}$/.test(str),
MT: str => /^(MT)?\d{8}$/.test(str),
NL: str => /^(NL)?\d{9}B\d{2}$/.test(str),
PL: str => /^(PL)?(\d{10}|(\d{3}-\d{3}-\d{2}-\d{2})|(\d{3}-\d{2}-\d{2}-\d{3}))$/.test(str),
PT,
RO: str => /^(RO)?\d{2,10}$/.test(str),
SK: str => /^(SK)?\d{10}$/.test(str),
SI: str => /^(SI)?\d{8}$/.test(str),
ES: str => /^(ES)?\w\d{7}[A-Z]$/.test(str),
SE: str => /^(SE)?\d{12}$/.test(str),

/**
* VAT numbers of non-EU countries
*/
AL: str => /^(AL)?\w{9}[A-Z]$/.test(str),
MK: str => /^(MK)?\d{13}$/.test(str),
AU: str => /^(AU)?\d{11}$/.test(str),
BY: str => /^(УНП )?\d{9}$/.test(str),
CA: str => /^(CA)?\d{9}$/.test(str),
IS: str => /^(IS)?\d{5,6}$/.test(str),
IN: str => /^(IN)?\d{15}$/.test(str),
ID: str => /^(ID)?(\d{15}|(\d{2}.\d{3}.\d{3}.\d{1}-\d{3}.\d{3}))$/.test(str),
IL: str => /^(IL)?\d{9}$/.test(str),
KZ: str => /^(KZ)?\d{9}$/.test(str),
NZ: str => /^(NZ)?\d{9}$/.test(str),
NG: str => /^(NG)?(\d{12}|(\d{8}-\d{4}))$/.test(str),
NO: str => /^(NO)?\d{9}MVA$/.test(str),
PH: str => /^(PH)?(\d{12}|\d{3} \d{3} \d{3} \d{3})$/.test(str),
RU: str => /^(RU)?(\d{10}|\d{12})$/.test(str),
SM: str => /^(SM)?\d{5}$/.test(str),
SA: str => /^(SA)?\d{15}$/.test(str),
RS: str => /^(RS)?\d{9}$/.test(str),
CH: str => /^(CH)?(\d{6}|\d{9}|(\d{3}.\d{3})|(\d{3}.\d{3}.\d{3}))(TVA|MWST|IVA)$/.test(str),
TR: str => /^(TR)?\d{10}$/.test(str),
UA: str => /^(UA)?\d{12}$/.test(str),
GB: str => /^GB((\d{3} \d{4} ([0-8][0-9]|9[0-6]))|(\d{9} \d{3})|(((GD[0-4])|(HA[5-9]))[0-9]{2}))$/.test(str),
UZ: str => /^(UZ)?\d{9}$/.test(str),

/**
* VAT numbers of Latin American countries
*/
AR: str => /^(AR)?\d{11}$/.test(str),
BO: str => /^(BO)?\d{7}$/.test(str),
BR: str => /^(BR)?((\d{2}.\d{3}.\d{3}\/\d{4}-\d{2})|(\d{3}.\d{3}.\d{3}-\d{2}))$/.test(str),
CL: str => /^(CL)?\d{8}-\d{1}$/.test(str),
CO: str => /^(CO)?\d{10}$/.test(str),
CR: str => /^(CR)?\d{9,12}$/.test(str),
EC: str => /^(EC)?\d{13}$/.test(str),
SV: str => /^(SV)?\d{4}-\d{6}-\d{3}-\d{1}$/.test(str),
GT: str => /^(GT)?\d{7}-\d{1}$/.test(str),
HN: str => /^(HN)?$/.test(str),
MX: str => /^(MX)?\w{3,4}\d{6}\w{3}$/.test(str),
NI: str => /^(NI)?\d{3}-\d{6}-\d{4}\w{1}$/.test(str),
PA: str => /^(PA)?$/.test(str),
PY: str => /^(PY)?\d{6,8}-\d{1}$/.test(str),
PE: str => /^(PE)?\d{11}$/.test(str),
DO: str => /^(DO)?(\d{11}|(\d{3}-\d{7}-\d{1})|[1,4,5]{1}\d{8}|([1,4,5]{1})-\d{2}-\d{5}-\d{1})$/.test(str),
UY: str => /^(UY)?\d{12}$/.test(str),
VE: str => /^(VE)?[J,G,V,E]{1}-(\d{9}|(\d{8}-\d{1}))$/.test(str),
};

export default function isVAT(str, countryCode) {
assertString(str);
assertString(countryCode);

if (countryCode in vatMatchers) {
return vatMatchers[countryCode].test(str);
return vatMatchers[countryCode](str);
}
throw new Error(`Invalid country code: '${countryCode}'`);
}
Loading

0 comments on commit 7832d4a

Please sign in to comment.