jpqr

JPQR

JPQR library that uses go.mercari.io/go-emv-code by WebAssembly.

Installation

npm install @natade-coco/jpqr

Usage

import JPQR from '@natade-coco/jpqr';

const code = JPQR.mpmEncode({
  payloadFormatIndicator: '01',
  pointOfInitiationMethod: 'dynamic',
  merchantAccountInformation: [{
    tag: '26',
    length: '68',
    value: '0019jp.or.paymentsjapan011300000000000010204000103060000010406000001'
  }],
  merchantCategoryCode: '5812',
  transactionCurrency: '392',
  transactionAmount: '498',
  countryCode: 'JP',
  merchantName: 'xxx',
  merchantCity: 'xxx',
  postalCode: '5300005',
  merchantInformation: {
    languagePreference: 'JA',
    name: 'ナタデココ カフェ'
  }
});

console.log(code);  // 00020101021226680019jp.or.paymentsjapan01130000000000001020400010306000001040600000152045812530339254034985802JP5903xxx6003xxx6107530000564190002JA0109ナタデココ カフェ63045BA0
showQRCode(code);

API

mpmEncode(mpmInformation: MPMInformation): string

Get JPQR MPM code for showing QR Code. For details, please refer to JPQR MPM guideline 1.1.

MPMInformation

mpmDecode(code: string): MPMInformation

Get MPMInformation object from raw JPQR code.