서버 설정
const io = require("socket.io")(server, {
cors: { origin: "*" }
});
io.on("connection", (socket) => {
socket.on("message", (data) => {
io.to(data.room).emit("message", data);
});
socket.on("join", (room) => socket.join(room));
});클라이언트
const socket = io("http://localhost:3000");
socket.emit("join", "room1");
socket.on("message", (data) => {
console.log(data);
});
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