39 lines
902 B
JavaScript
39 lines
902 B
JavaScript
const express = require('express');
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const app = express();
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const PORT = 5000;
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const http = require('http').Server(app);
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const cors = require('cors');
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const io = require('socket.io')(http, {
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cors: {
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origin: "http://localhost:3000"
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}
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});
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app.use(cors());
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let users = []
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io.on('connection', (socket) => {
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console.log(`🚀: ${socket.id} user just connected!`);
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const sessionId = socket.id
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socket.on("newuser", (data) => {
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users.push(data)
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console.log(data)
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console.log("total users: ", users)
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io.emit('users', users)
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})
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socket.on('disconnect', () => {
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console.log('🔥: A user disconnected');
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users.splice(users.findIndex(x => x.id === sessionId), 1);
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console.log("users after disconection: ", users)
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io.emit('users', users)
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});
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});
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http.listen(PORT, () => {
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console.log(`Server listening on ${PORT}`);
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}); |