Function _getRoomSockets

src/node/handler/PadMessageHandler.ts:1686–1698

(padID: string)

};

const _getRoomSockets = (padID: string) => {
  const ns = socketio.sockets; // Default namespace.
  // We could call adapter.clients(), but that method is unnecessarily asynchronous. Replicate what
  // it does here, but synchronously to avoid a race condition. This code will have to change when
  // we update to socket.io v3.
  const room = ns.adapter.rooms?.get(padID);

  if (!room) return [];

  return Array.from(room)
    .map(socketId => ns.sockets.get(socketId))
    .filter(socket => socket);
};

/**
 * Get the number of users in a pad