socket.io npm
// npm i socket.io
const http = require('http')
const express = require('express')
const socketio = require('socket.io')
const app = express()
const server = http.createServer(app)
const io = socketio(server)
const port = process.env.PORT || 3000
server.listen(port, () => {
console.log(`Server is up on port ${port}!`)
})react native socket io
import React, { useState, useEffect } from "react";
import socketIOClient from "socket.io-client";
const ENDPOINT = "http://127.0.0.1:4001";
function App() {
const [response, setResponse] = useState("");
useEffect(() => {
const socket = socketIOClient(ENDPOINT);
socket.on("FromAPI", data => {
setResponse(data);
});
}, []);
return (
<p>
It's <time dateTime={response}>{response}</time>
</p>
);
}
export default App;npm socket io
// with npm
npm install socket.io
// with yarn
yarn add socket.iohow to install socket.io to node js
$ npm install socket.iosocket io nodejs
const express = require('express');const app = express();const http = require('http');const server = http.createServer(app);const { Server } = require("socket.io");const io = new Server(server);app.get('/', (req, res) => { res.sendFile(__dirname + '/index.html');});io.on('connection', (socket) => { console.log('a user connected');});server.listen(3000, () => { console.log('listening on *:3000');});Copyright © 2021 Codeinu
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