GramJS Detect Connection State

index.js

import { Raw } from "telegram/events";
import { UpdateConnectionState } from "telegram/network";

/** Add Connected Event Handler */
client.addEventHandler(
  (event) => {
    console.log(event);
    
    /** Do Something With State **/
    setConnected(event.state === UpdateConnectionState.connected);
  },
  new Raw({
    types: [UpdateConnectionState],
  })
);