ibantools-germany
Version:
IBAN Validator and Generator for German Bank Accounts
19 lines (18 loc) • 770 B
JavaScript
;
/**
* ibantools-germany
* Copyright (c) 2022-2026 Markus Baumer <markus@baumer.dev>
* SPDX-License-Identifier: MIT OR MPL-2.0
*/
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 (Number.isNaN(firstDigit) || firstDigit >= 6) {
return "INVALID";
}
const leftFillConsts = [4383200, 4383201, 4383202, 4383203, 4383204, 4383205];
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]);
};