stdnum/lib/cjs/is/kennitala.js

Standard Number Validation

"use strict";
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    var ownKeys = function(o) {
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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 impl = {
    name: 'Icelandic Identity Code',
    localName: 'Kennitala',
    compact(input) {
        const [value, err] = clean(input);
        if (err) {
            throw err;
        }
        return value;
    },
    format(input) {
        const [value] = clean(input);
        return util_1.strings.splitAt(value, 6).join('-');
    },
    validate(input) {
        const [value, error] = clean(input);
        if (error) {
            return { isValid: false, error };
        }
        if (value.length !== 10) {
            return { isValid: false, error: new exceptions.InvalidLength() };
        }
        if (!util_1.strings.isdigits(value)) {
            return { isValid: false, error: new exceptions.InvalidFormat() };
        }
        const [dd, mm, yy, , centry] = util_1.strings.splitAt(value, 2, 4, 6, 9);
        const dayValue = parseInt(dd, 10);
        const isOrg = dayValue > 40;
        const day = dayValue > 40 ? String(dayValue - 40).padStart(2, '0') : dd;
        const year = centry === '9' ? `19${yy}` : `20${yy}`;
        if (!(0, util_1.isValidDate)(year, mm, day)) {
            return { isValid: false, error: new exceptions.InvalidComponent() };
        }
        const sum = (0, util_1.weightedSum)(value, {
            modulus: 11,
            weights: [3, 2, 7, 6, 5, 4, 3, 2, 1, 0],
        });
        if (sum !== 0) {
            return { isValid: false, error: new exceptions.InvalidChecksum() };
        }
        return {
            isValid: true,
            compact: value,
            isIndividual: !isOrg,
            isCompany: isOrg,
        };
    },
};
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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