ibantools-germany
Version:
IBAN Validator and Generator for German Bank Accounts
36 lines (33 loc) • 1.59 kB
JavaScript
;
/**
* ibantools-germany
* Copyright (C) 2022-2024 Markus Baumer <markus@baumer.dev>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.method01Core = void 0;
const helper_1 = require("../helper");
const method01Core = (number, weights) => {
const digits = (0, helper_1.getDigits)(number);
const givenCheckDigit = digits.pop(); // Check digit is last digit
const weightedDigits = (0, helper_1.weightDigitsRTL)(digits, weights);
const sum = (0, helper_1.calculateSum)(weightedDigits);
const unitDigit = (0, helper_1.getUnitFromNumber)(sum);
const calculatedCheckDigit = (0, helper_1.getUnitFromNumber)(10 - unitDigit);
if (givenCheckDigit === calculatedCheckDigit) {
return "VALID";
}
return "INVALID";
};
exports.method01Core = method01Core;
exports.default = (number) => (0, exports.method01Core)(number, [3, 7, 1, 3, 7, 1, 3, 7, 1]);