/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

-2 votes332 views2 answers
How to play around with backend node js and frontend react
Javascript Node.js
0 vote355 views1 answer
Chocolatey nodejs
Javascript Node.js
1 vote319 views1 answer
Jwt token expire time in node js
Javascript Node.js
0 vote320 views1 answer
Regex to get part of word nodejs
Javascript Node.js
0 vote350 views1 answer
Nodejs if contains
Javascript Node.js
0 vote311 views1 answer
Set 404 handling via express in node
Javascript Node.js
0 vote278 views1 answer
Nodejs mysql error handling with user example
Javascript Node.js
1 vote352 views1 answer
Nodejs mysql connection1
Javascript Node.js
0 vote331 views1 answer
Sha3 nodejs
Javascript Node.js
0 vote321 views3 answers
How to get a particular line from a file in nodejs
Javascript Node.js