ibantools-germany
Version:
IBAN Validator and Generator for German Bank Accounts
20 lines (19 loc) • 805 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);
if ((0, method00_1.method00Core)(paddedNumber.slice(1, 8), [2, 1, 2, 1, 2, 1]) === "VALID") {
return "VALID";
}
// If validation fails, try checking it with trailing
// subaccount number 00 which is allowed to be omitted.
const paddedNumberSubAccount = `${number}00`.padStart(10, "0");
return (0, method00_1.method00Core)(paddedNumberSubAccount.slice(1, 8), [2, 1, 2, 1, 2, 1]);
};