peerjs-server

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Allowing to access to realm to share the events to the other connected users, let then know when a user connect or diconnect.

/*Implementation*/
peerServer.on('connection', (client, realm) => {
  if (!realm) return
  realm.getClientsIds().filter(a => a != client.id).forEach(peerId => {
    const message = { type: 'CONNECTED', peerId: client.id }
    realm.getClientById(peerId).getSocket().send(JSON.stringify(message))
  })
});

peerServer.on('disconnect', (client, realm) => {
  if (!realm) return
  realm.getClientsIds().filter(a => a != client.id).forEach(peerId => {
    const message = { type: 'DISCONNECTED', peerId: client.id }
    realm.getClientById(peerId).getSocket().send(JSON.stringify(message))
  })
});