stdnum/lib/cjs/se/personnummer.js

Standard Number Validation

"use strict";
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    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
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    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
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");
const ONE_HUNDRED_YEARS_IN_MS = 100 * 365 * 24 * 60 * 60 * 1000;
function clean(input) {
    const [value, err] = util_1.strings.cleanUnicode(input, ' :');
    if (err) {
        return [value, err];
    }
    const [a, b, c] = util_1.strings.splitAt(value, -5, -4);
    return [`${a.replace(/[-+]/g, '')}${b}${c}`, null];
}
function formatImpl(input) {
    const [value] = clean(input);
    let front, back, sep = '-';
    if (value.length === 12 || value.length === 13) {
        const [yyyy, mm, dd] = util_1.strings.splitAt(value, 0, 4, 6, 8);
        const d = (0, util_1.buildDate)(yyyy, mm, dd);
        if (d === null) {
            return value;
        }
        if (new Date().getTime() - d.getTime() > ONE_HUNDRED_YEARS_IN_MS) {
            sep = '+';
        }
        front = `${yyyy.substring(2)}${mm}${dd}`;
        back = value.substring(value.length - 4);
    }
    else if (value.length === 10) {
        front = value.substring(0, 6);
        back = value.substring(6);
    }
    else if (value.length === 11) {
        front = value.substring(0, 6);
        sep = value[6];
        back = value.substring(7);
    }
    else {
        return value;
    }
    return `${front}${sep}${back}`;
}
const impl = {
    name: 'Swedish Personal Identity Number',
    localName: 'Personnummer',
    compact(input) {
        const [value, err] = clean(input);
        if (err) {
            throw err;
        }
        return value;
    },
    format: formatImpl,
    validate(input) {
        const [value, error] = clean(input);
        if (error) {
            return { isValid: false, error };
        }
        let a, b, c;
        if (value.length === 11) {
            [a, b, c] = util_1.strings.splitAt(value, -5, -4);
        }
        else if (value.length === 13) {
            [, a, b, c] = util_1.strings.splitAt(value, -11, -5, -4);
        }
        else {
            return { isValid: false, error: new exceptions.InvalidLength() };
        }
        if (!'-+'.includes(b)) {
            return { isValid: false, error: new exceptions.InvalidFormat() };
        }
        const digits = `${a}${c}`;
        if (!util_1.strings.isdigits(digits)) {
            return { isValid: false, error: new exceptions.InvalidFormat() };
        }
        let yyyymmdd;
        if (value.length === 13) {
            yyyymmdd = value.substring(0, 8);
        }
        else {
            const yymmdd = value.substring(0, 6);
            const year = new Date().getFullYear();
            let century = Math.floor(year / 100);
            if (parseInt(yymmdd.substring(0, 2), 10) > year % 100) {
                century -= 1;
            }
            if (b === '+') {
                century -= 1;
            }
            yyyymmdd = `${century}${yymmdd}`;
        }
        const day = parseInt(yyyymmdd.substring(6, 8), 10);
        if (day > 60) {
            yyyymmdd =
                yyyymmdd.substring(0, 6) + (day - 60).toString().padStart(2, '0');
        }
        if (!(0, util_1.isValidDateCompactYYYYMMDD)(yyyymmdd, true)) {
            return { isValid: false, error: new exceptions.InvalidComponent() };
        }
        if (!(0, checksum_1.luhnChecksumValidate)(digits)) {
            return { isValid: false, error: new exceptions.InvalidChecksum() };
        }
        return {
            isValid: true,
            compact: formatImpl(input),
            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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