node js how to use socket.io code example
Example 1: create a web server node js w socket.io
var app = require('express')();
var http = require('http').createServer(app);
var io = require('socket.io')(http);
app.get('/', (req, res) => {
// Ran when a GET request to path '/'
res.sendFile(__dirname + '/index.html');
});
io.on('connection', (socket) => {
// Ran when a socket connected
});
http.listen(3000, () => {
// Ran when server is ready to take requestes
});
Example 2: how to run socket.io server
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";