Whatsapp web js

client.ts

import { Client, LocalAuth, WAState } from "whatsapp-web.js";

const _createClientInstance = (): Client => {
  global.client = global.client?.getState()
    ? global.client
    : new Client({
      authStrategy: new LocalAuth({
        clientId: "client",
      }),
    });
  return global.client;
}

let resolveClientReadyPromise: () => void; // A variable to store the resolver
const clientIsReadyPromise = new Promise<void>((resolve) => {
  resolveClientReadyPromise = resolve; // Save the resolve function for later use
});

const GetClientOrInitialize = async () => {

  const client = _createClientInstance();

  //re define the listeners
  client.once("ready", () => {
    console.log("Client is ready");
    global.clientReady.state = true;
    resolveClientReadyPromise();
  });

  let readyState: WAState = null;
  try {
    readyState = await client.getState();
  } catch (error) { }

  console.log("Client.getState()", readyState);
  if (readyState !== WAState.CONNECTED) {
    await client.initialize();
  }

  return client;
};


export {
  GetClientOrInitialize,
  clientIsReadyPromise
};