Установите клиент Socket IO
npm install socket.io-client
Precious Parrot
npm install socket.io-client
npm i socket.io
$ npm install socket.io
<script src="https://cdn.socket.io/socket.io-3.0.1.min.js"></script>
const express = require("express");
const http = require("http");
const socketIo = require("socket.io");
const port = process.env.PORT || 8001;
const index = require("./routes/index");
const app = express();
app.use(index);
const server = http.createServer(app);
const io = socketIo(server); // < Interesting!
const getApiAndEmit = "TODO";