stdnum
Version:
Standard Number Validation
89 lines • 6.13 kB
JavaScript
;
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var __importStar = (this && this.__importStar) || (function () {
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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, ' ', 'NO');
}
const impl = {
name: 'Norwegian VAT Number',
localName: 'Merverdiavgift',
abbreviation: 'MVA',
compact(input) {
const [value, err] = clean(input);
if (err) {
throw err;
}
return value;
},
format(input) {
const [value] = clean(input);
return `NO ${util_1.strings.splitAt(value, 3, 6, 9).join(' ')}`;
},
validate(input) {
const [value, error] = clean(input);
if (error) {
return { isValid: false, error };
}
if (value.length !== 12) {
return { isValid: false, error: new exceptions.InvalidLength() };
}
if (!util_1.strings.isdigits(value.substr(0, 9))) {
return { isValid: false, error: new exceptions.InvalidFormat() };
}
const [front, end] = util_1.strings.splitAt(value, 9);
if (end !== 'MVA') {
return { isValid: false, error: new exceptions.InvalidFormat() };
}
const sum = (0, checksum_1.weightedSum)(front, {
weights: [3, 2, 7, 6, 5, 4, 3, 2, 1],
modulus: 11,
});
if (sum !== 0) {
return { isValid: false, error: new exceptions.InvalidChecksum() };
}
return {
isValid: true,
compact: value,
isIndividual: false,
isCompany: true,
};
},
};
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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