stdnum
Version:
Standard Number Validation
89 lines • 5.94 kB
JavaScript
;
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
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var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
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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, ' -.');
}
function checksum(value) {
const nineCharValue = value.padStart(9, '0');
const sum = (0, checksum_1.weightedSum)(nineCharValue, {
weights: [9, 8, 7, 6, 5, 4, 3, 2, -1],
modulus: 11,
});
return sum === 0;
}
const impl = {
name: 'Dutch Citizen Identification Number',
localName: 'Burgerservicenummer',
abbreviation: 'BSN',
compact(input) {
const [value, err] = clean(input);
if (err) {
throw err;
}
return value;
},
format(input) {
const [value] = clean(input);
return util_1.strings.splitAt(value, 4, 6).join('.');
},
validate(input) {
const [value, error] = clean(input);
if (error) {
return { isValid: false, error };
}
if (![8, 9].includes(value.length)) {
return { isValid: false, error: new exceptions.InvalidLength() };
}
if (!util_1.strings.isdigits(value)) {
return { isValid: false, error: new exceptions.InvalidFormat() };
}
if (!checksum(value)) {
return { isValid: false, error: new exceptions.InvalidChecksum() };
}
return {
isValid: true,
compact: value,
isIndividual: true,
isCompany: false,
};
},
};
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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