/Javascript/Node.js/Creating room in ws nodejs

Creating room in ws nodejs

const rooms = {};

wss.on("connection", socket => {
  const uuid = ...; // create here a uuid for this connection

  const leave = room => {
    // not present: do nothing
    if(! rooms[room][uuid]) return;

    // if the one exiting is the last one, destroy the room
    if(Object.keys(rooms[room]).length === 1) delete rooms[room];
    // otherwise simply leave the room
    else delete rooms[room][uuid];
  };

  socket.on("message", data => {
    const { message, meta, room } = data;

    if(meta === "join") {
      if(! rooms[room]) rooms[room] = {}; // create the room
      if(! rooms[room][uuid]) rooms[room][uuid] = socket; // join the room
    }
    else if(meta === "leave") {
      leave(room);
    }
    else if(! meta) {
      // send the message to all in the room
      Object.entries(rooms[room]).forEach(([, sock]) => sock.send({ message }));
    }
  });

  socket.on("close", () => {
    // for each room, remove the closed socket
    Object.keys(rooms).forEach(room => leave(room));
  });
});

Similar codes

0 vote310 views1 answer
Node js add new object to object array json
Javascript Node.js
1 vote275 views1 answer
Nodejs check if express started
Javascript Node.js
6 votes302 views2 answers
Node Sass could not find a binding for your current environment: Linux 64-bit with Node.js 10.x
Javascript Node.js
0 vote291 views1 answer
Objectid is not defined node js mongodb
Javascript Node.js
31 votes338 views5 answers
Update node js version ubuntu
Javascript Node.js
0 vote273 views1 answer
Nodejs spawn detached command
Javascript Node.js
0 vote299 views1 answer
Cross-origin request blocked the same origin policy disallows reading the remote resource fix in node js node js
Javascript Node.js
0 vote298 views1 answer
Node js create or check directory
Javascript Node.js
0 vote298 views1 answer
Node base64 to audio
Javascript Node.js
0 vote301 views1 answer
How to get datetime in nodejs
Javascript Node.js