ibantools-germany
Version:
IBAN Validator and Generator for German Bank Accounts
22 lines (21 loc) • 825 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 === 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]);
};