stdnum
Version:
Standard Number Validation
57 lines • 4.52 kB
JavaScript
import * as exceptions from '../exceptions';
import { strings } from '../util';
import { weightedSum } from '../util/checksum';
function clean(input) {
const [value, err] = strings.cleanUnicode(input, ' -');
if (err !== null) {
return [value, err];
}
if (value.startsWith('DK')) {
return [value.substr(2), null];
}
return [value, null];
}
const impl = {
name: 'Danish VAT Number',
localName: 'Momsregistreringsnummer',
abbreviation: 'CVR',
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 !== 8) {
return { isValid: false, error: new exceptions.InvalidLength() };
}
if (!strings.isdigits(value)) {
return { isValid: false, error: new exceptions.InvalidFormat() };
}
const [front, check] = strings.splitAt(value, -1);
const sum = weightedSum(front, {
modulus: 11,
weights: [2, 7, 6, 5, 4, 3, 2, 1],
});
if (String((11 - sum) % 10) !== check) {
return { isValid: false, error: new exceptions.InvalidChecksum() };
}
return {
isValid: true,
compact: value,
isIndividual: false,
isCompany: true,
};
},
};
export const { name, localName, abbreviation, validate, format, compact } = impl;
//# sourceMappingURL=data:application/json;base64,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