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20 lines
541 B
20 lines
541 B
const express = require('express');
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const app = express();
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const PORT = process.env.PORT || 3000;
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const http = require('http').Server(app);
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const socketserver = require('socket.io')(http);
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app.use(express.static('public'));
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let connectedUsers = 0;
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socketserver.on('connection', function (socket) {
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connectedUsers++;
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socketserver.emit('users connected', connectedUsers);
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socket.on('disconnect', function() {
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connectedUsers--;
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socketserver.emit('users connected', connectedUsers);
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});
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});
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http.listen(PORT);
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