stdnum/lib/cjs/fi/hetu.js

Standard Number Validation

"use strict";
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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");
function clean(input) {
    return util_1.strings.cleanUnicode(input, ' ');
}
const CHECK_ALPHA = '0123456789ABCDEFHJKLMNPRSTUVWXY';
const CENTURY = {
    '+': '18',
    '-': '19',
    Y: '19',
    X: '19',
    W: '19',
    V: '19',
    U: '19',
    A: '20',
    B: '20',
    C: '20',
    D: '20',
    E: '20',
    F: '20',
};
const VALID_CENTURY = Object.keys(CENTURY);
const impl = {
    name: 'Finnish Personal Identity Code',
    localName: 'Henkilötunnus',
    abbreviation: 'HETU',
    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() };
        }
        const [front, , back, check2] = util_1.strings.splitAt(value, 6, 7, -1);
        if (!util_1.strings.isdigits(front) ||
            !util_1.strings.isdigits(back) ||
            !CHECK_ALPHA.includes(check2)) {
            return { isValid: false, error: new exceptions.InvalidFormat() };
        }
        if (!VALID_CENTURY.includes(value[6])) {
            return { isValid: false, error: new exceptions.InvalidComponent() };
        }
        const [dd, mm, yy, century, person, check] = util_1.strings.splitAt(value, 2, 4, 6, 7, 10);
        if (!(0, util_1.isValidDate)(`${CENTURY[century]}${yy}`, mm, dd, true)) {
            return { isValid: false, error: new exceptions.InvalidComponent() };
        }
        const checkable = `${dd}${mm}${yy}${person}`;
        if (CHECK_ALPHA[parseInt(checkable, 10) % CHECK_ALPHA.length] !== check) {
            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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