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next.js/examples/with-socket.io/server.js

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const app = require('express')()
const server = require('http').Server(app)
const io = require('socket.io')(server)
const next = require('next')
const port = parseInt(process.env.PORT, 10) || 3000
const dev = process.env.NODE_ENV !== 'production'
const nextApp = next({ dev })
const nextHandler = nextApp.getRequestHandler()
// fake DB
const messages = []
// socket.io server
io.on('connection', socket => {
socket.on('message', (data) => {
messages.push(data)
socket.broadcast.emit('message', data)
})
})
nextApp.prepare().then(() => {
app.get('/messages', (req, res) => {
res.json(messages)
})
app.get('*', (req, res) => {
return nextHandler(req, res)
})
server.listen(port, (err) => {
if (err) throw err
console.log(`> Ready on http://localhost:${port}`)
})
})