Does this work with express-graphql or replace it? about graphql-ws HOT 5 CLOSED

// server.ts

import http from 'http';
import express from 'express';
import { graphqlHTTP } from 'express-graphql';
import { createServer } from 'graphql-transport-ws';
import { execute, subscribe } from 'graphql';

// your schema
const schema = { ... };

// your context
const context = {
  dataLoaders: {
    user: userDataLoader,
  },
};

// create express and middleware
const app = express();
app.use(
  '/graphql',
  graphqlHTTP({
    schema,
    context,
  }),
);

// create a http server using express
const server = http.createServer(app);

// listen on port 7070
server.listen(7070, () => {
  // and create a WebSocket server on the same port
  createServer(
    {
      schema,
      execute: (args) =>
        execute({
          ...args,
          context, // inject the context
        }),
      subscribe: (args) =>
        subscribe({
          ...args,
          context, // inject the context
        }),
    },
    {
      server,
      path: '/graphql', // you can even use the same path (just use the `ws` scheme)
    },
  );
});

// client.ts

import { createClient } from 'graphql-transport-ws';

const client = createClient({
  url: 'ws://localhost:7070/graphql',
});

// query
client.subscribe( 
  {
    query: `{ sayHi }`,
  },
  {
    next: (data) => {
      console.log(data);
    },
    error: (error) => {
      console.error(error);
    },
    complete: () => {
      console.log('said hi');
    },
  },
);

// subscription
client.subscribe( 
  {
    query: `subscriptions { planetsInOurSolarSystem }`,
  },
  {
    next: (data) => {
      // will be called 8 times
      console.log(data);
    },
    error: (error) => {
      console.error(error);
    },
    complete: () => {
      console.log('no more planets');
    },
  },
);