node route socket.io code example

Example 1: how to use of socket io on a route in nodejs

//Using Express 4, in your app.js file you can use
app.set('socketio', io);

//then in your router you can access it like this
router.post('/getRides', function(req, res, next) {
    var io = req.app.get('socketio');

    io.to(//socket.id//).emit("message", data);

    db.rides.find(function(err, docs) {
        res.json(docs);
    });
};

Example 2: socket 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');});