stdnum
Version:
Standard Number Validation
47 lines • 3.88 kB
JavaScript
import * as exceptions from '../exceptions';
import { strings } from '../util';
import { luhnChecksumValidate } from '../util/checksum';
const ALPHABET = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ';
const validRe = /^\d{9}[A-Z0-9]{2}\d$/i;
function clean(input) {
return strings.cleanUnicode(input, ' ');
}
const impl = {
name: 'Portuguese Identity number',
localName: 'Número de Cartão de Cidadão',
abbreviation: 'CC',
compact(input) {
const [value, err] = clean(input);
if (err) {
throw err;
}
return value;
},
format(input) {
const [value] = clean(input);
return strings.splitAt(value, 8, 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 (!validRe.test(value)) {
return { isValid: false, error: new exceptions.InvalidFormat() };
}
if (!luhnChecksumValidate(value, ALPHABET)) {
return { isValid: false, error: new exceptions.InvalidChecksum() };
}
return {
isValid: true,
compact: value,
isIndividual: '1234'.includes(value[0]),
isCompany: !'1234'.includes(value[0]),
};
},
};
export const { name, localName, abbreviation, validate, format, compact } = impl;
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