const express = require("express"); const http = require("http"); const { Server } = require("socket.io"); const app = express(); const server = http.createServer(app); const io = new Server(server); let users = {}; const bannedWords = ["idiota","tonto","xxx"]; function filterMessage(msg){ let clean = msg; let blocked = false; bannedWords.forEach(word=>{ if(msg.toLowerCase().includes(word)){ clean = clean.replace(new RegExp(word,"gi"),"****"); blocked = true; } }); return {clean, blocked}; } app.get("/", (req,res)=>{ res.send(` `); }); /* SOCKET */ io.on("connection",(socket)=>{ socket.on("join",(username)=>{ users[socket.id]=username; io.emit("users",Object.values(users)); io.emit("chat message",{user:"Sistema",text:username+" entró"}); }); socket.on("chat message",(msg)=>{ const result=filterMessage(msg); if(result.blocked){ socket.emit("warning","⚠️ Lenguaje no permitido"); } io.emit("chat message",{user:users[socket.id],text:result.clean}); }); socket.on("disconnect",()=>{ const username=users[socket.id]; delete users[socket.id]; io.emit("users",Object.values(users)); if(username){ io.emit("chat message",{user:"Sistema",text:username+" salió"}); } }); }); const PORT = process.env.PORT || 3000; server.listen(PORT,()=>console.log("Servidor listo"));

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