stdnum
Version:
Standard Number Validation
88 lines • 5.91 kB
JavaScript
;
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Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
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})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.compact = exports.format = exports.validate = exports.abbreviation = exports.localName = exports.name = void 0;
const exceptions = __importStar(require("../exceptions"));
const util_1 = require("../util");
const checksum_1 = require("../util/checksum");
function clean(input) {
return util_1.strings.cleanUnicode(input, ' -');
}
const validRe = /^[PCGQV]{1}00[A-Z0-9]{8}$/;
const ALPHABET = '0123456789X';
const impl = {
name: 'Taxpayer Identification Number',
localName: '',
abbreviation: 'TIN',
compact(input) {
const [value, err] = clean(input);
if (err) {
throw err;
}
return value;
},
format(input) {
const [value] = clean(input);
return value;
},
validate(input) {
const [value, error] = clean(input);
if (error) {
return { isValid: false, error };
}
if (value.length !== 11) {
return { isValid: false, error: new exceptions.InvalidLength() };
}
if (!validRe.test(value)) {
return { isValid: false, error: new exceptions.InvalidFormat() };
}
const [, front, check] = util_1.strings.splitAt(value, 1, 10);
const sum = (0, checksum_1.weightedSum)(front, {
weights: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
modulus: 11,
});
if (ALPHABET[sum] !== check) {
return { isValid: false, error: new exceptions.InvalidChecksum() };
}
return {
isValid: true,
compact: value,
isIndividual: value[0] === 'P',
isCompany: value[0] !== 'P',
};
},
};
exports.name = impl.name, exports.localName = impl.localName, exports.abbreviation = impl.abbreviation, exports.validate = impl.validate, exports.format = impl.format, exports.compact = impl.compact;
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