ibantools-germany
Version:
IBAN Validator and Generator for German Bank Accounts
34 lines (31 loc) • 1.44 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 });
const helper_1 = require("../helper");
const method00_1 = require("./method00");
exports.default = (number) => {
const paddedNumber = (0, helper_1.paddedAccountNumber)(number);
const firstDigit = Number(paddedNumber.slice(0, 1));
if (isNaN(firstDigit) || firstDigit === 8) {
return "INVALID";
}
const leftFillConsts = [
4363380, 4363381, 4363382, 4363383, 4363384, 4363385, 4363386, 4363387, -1,
4363389,
];
return (0, method00_1.method00Core)(`${leftFillConsts[firstDigit]}${paddedNumber.slice(1, 10)}`, [2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2]);
};