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const http = require("http").createServer();
const io = require("socket.io")(http);
const port = process.env.PORT || 3000;
io.on("connection", socket => {
socket.on("client to server event", msg => {
io.emit("server to client event", msg);
});
});
http.listen(port, () => {
console.log(`Socket.IO server running at http://localhost:${port}/`);
});
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