29 lines
1.2 KiB
JavaScript
29 lines
1.2 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.INSTRUMENT_ROUTING = void 0;
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exports.resolveInstrumentGl = resolveInstrumentGl;
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exports.isIbanValid = isIbanValid;
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/** SWIFT / trade-finance instrument routing */
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exports.INSTRUMENT_ROUTING = {
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SBLC: { swift: ['MT103', 'MT202'], glDebit: '1410', glCredit: '2100' },
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DLC: { swift: ['MT103', 'MT102'], glDebit: '1410', glCredit: '1000' },
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BG: { swift: ['MT103'], glDebit: '1410', glCredit: '2100' },
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LS: { swift: ['MT102', 'MT103'], glDebit: '1000', glCredit: '2200' },
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};
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function resolveInstrumentGl(instrument) {
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const r = exports.INSTRUMENT_ROUTING[instrument];
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return { debitGl: r.glDebit, creditGl: r.glCredit, swiftKinds: r.swift };
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}
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function isIbanValid(iban) {
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const normalized = iban.replace(/\s/g, '').toUpperCase();
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if (!/^[A-Z]{2}\d{2}[A-Z0-9]{11,30}$/.test(normalized))
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return false;
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const rearranged = normalized.slice(4) + normalized.slice(0, 4);
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const numeric = rearranged.replace(/[A-Z]/g, (c) => String(c.charCodeAt(0) - 55));
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let remainder = 0;
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for (const ch of numeric) {
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remainder = (remainder * 10 + parseInt(ch, 10)) % 97;
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}
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return remainder === 1;
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}
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