vatsal-whatsapp/src/core/qrManager.js

Lightweight WhatsApp Web automation via whatsapp-web.js, QR socket communication, and bulk messaging.

const qrcode = require("qrcode");
const client = require("./client");

let lastQR = null;

client.on("qr", (qr) => {
  lastQR = qr;
});

async function giveQRCode() {
  if (!lastQR) throw new Error("QR not available yet");
  return await qrcode.toDataURL(lastQR);
}

module.exports = giveQRCode;