ibantools-germany
Version:
IBAN Validator and Generator for German Bank Accounts
50 lines (47 loc) • 1.89 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/>.
*/
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const method20_1 = __importDefault(require("./method20"));
const method52_1 = require("./method52");
const eser9 = (number, blz) => {
if (number.length !== 9) {
return null;
}
const blz56 = blz.slice(4, 6);
const number2 = number.slice(1, 2);
const blz8 = blz.slice(7, 8);
const number1 = number.slice(0, 1);
const number3 = number.slice(2, 3);
const number4Rest = number.slice(3, 9).replace(/^0+/, "");
return `${blz56}${number2}${blz8}${number1}${number3}${number4Rest}`;
};
exports.default = (number, blz) => {
if (number.length === 10 && number.match(/^9/)) {
return (0, method20_1.default)(number);
}
if (blz.length != 8 || !blz.match(/^\d{3}5/)) {
return "INVALID";
}
const eserAccount = eser9(number.slice(-9), blz);
if (!eserAccount) {
return "INVALID";
}
return (0, method52_1.eserValidate)(eserAccount);
};