dynamic-qris
Version:
Convert static QRIS to dynamic QRIS
35 lines (34 loc) • 1.32 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const lib_1 = require("../lib");
/**
* Modifies QRIS string with additional payment information
* @param qris Original QRIS string
* @param options Configuration options for modification
* @returns Modified QRIS string with CRC16 checksum
*/
const makeString = (qris, { nominal, taxtype = 'p', fee = '0' } = {}) => {
// Input validation
if (!qris)
throw new Error('The parameter "qris" is required.');
if (!nominal)
throw new Error('The parameter "nominal" is required.');
// Modify QRIS string
let tax = '';
let qrisModified = qris.slice(0, -4).replace("010211", "010212");
let qrisParts = qrisModified.split("5802ID");
// Prepare amount string
let amount = "54" + (0, lib_1.pad)(nominal.length) + nominal;
// Add tax/fee if applicable
if (taxtype && fee) {
tax = (taxtype === 'p')
? "55020357" + (0, lib_1.pad)(fee.length) + fee
: "55020256" + (0, lib_1.pad)(fee.length) + fee;
}
// Construct final QRIS string
amount += (tax.length === 0) ? "5802ID" : tax + "5802ID";
let output = qrisParts[0].trim() + amount + qrisParts[1].trim();
output += (0, lib_1.toCRC16)(output);
return output;
};
exports.default = makeString;