📦 QRIS Parser (JavaScript)

Library sederhana untuk parse string QRIS (EMVCo TLV format) menjadi struktur JSON yang mudah dibaca.
Mendukung nested tag untuk Merchant Account Information (26–51) dan bisa dikembangkan untuk validasi CRC16-CCITT.

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🚀 Instalasi

``bash
npm install @misterdevs/qris-parser
`

atau

`bash
yarn add @misterdevs/qris-parser
`

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📖 Penggunaan

$3

`javascript
import { qrisparser } from "@misterdevs/qris-parser";

const qrisStr =
"00020101021126610014COM.GO-JEK.WWW01189360091234285490450210G6285936550303UMI51440014ID.CO.QRIS.WWW0215ID10253801632580303UMI5204504553033605802ID5910Misterdevs6007JAKARTA61051234562070703A016304M2B3";

const parsed = qrisparser(qrisStr);

console.log(parsed);
`

$3

`json
{
"26": {
"length": 61,
"00": { "length": 14, "value": "COM.GO-JEK.WWW" },
"01": { "length": 18, "value": "936009123428549045" },
"02": { "length": 10, "value": "G628593655" },
"03": { "length": 3, "value": "UMI" }
},
"51": {
"length": 44,
"00": { "length": 14, "value": "ID.CO.QRIS.WWW" },
"02": { "length": 15, "value": "ID1025380163258" },
"03": { "length": 3, "value": "UMI" }
},
"52": { "name": "Merchant Category Code", "length": 4, "value": "5045" },
"53": { "name": "Transaction Currency", "length": 3, "value": "360" },
"54": { "name": "Transaction Amount", "length": 9, "value": "undefined" },
"58": { "name": "Country Code", "length": 2, "value": "ID" },
"59": { "name": "Merchant Name", "length": 10, "value": "Misterdevs" },
"60": { "name": "Merchant City", "length": 7, "value": "JAKARTA" },
"61": { "name": "Postal Code", "length": 5, "value": "12345" },
"62": { "length": 7, "07": { "length": 3, "value": "A01" } },
"63": { "name": "CRC", "length": 4, "value": "M2B3" },
"00": { "name": "Payload Format Indicator", "length": 2, "value": "01" },
"01": { "name": "Point of Initiation Method", "length": 2, "value": "12" }
}
`

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🏷 Struktur Tag QRIS (ringkas)

- 00 → Payload Format Indicator
- 01 → Point of Initiation Method (11 = Static, 12 = Dynamic)
- 26–51 → Merchant Account Information (subtag 00, 01, 02, …)
- 52 → Merchant Category Code
- 53 → Transaction Currency (360 = IDR)
- 54 → Transaction Amount
- 55–57 → Tip/Convenience Fee (opsional)
- 58 → Country Code
- 59 → Merchant Name
- 60 → Merchant City
- 61 → Postal Code (opsional)
- 62 → Additional Data Field (contoh: 01 = invoice ID)
- 63` → CRC (checksum, 4 hex)

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