Function readSyncMetaMessage

packages/yjs-websocket/src/server/utils.ts:185–198

(
  decoder: decoding.Decoder,
  encoder: encoding.Encoder,
  doc: Y.Doc,
  transactionOrigin: any,
)

  })

const readSyncMetaMessage = (
  decoder: decoding.Decoder,
  encoder: encoding.Encoder,
  doc: Y.Doc,
  transactionOrigin: any,
) => {
  const meta = decoding.readAny(decoder)
  if (!transactionOrigin) {
    transactionOrigin = meta
  }
  return syncProtocol.readSyncMessage(decoder, encoder, doc, transactionOrigin, () => {
    encoding.writeAny(encoder, meta)
  })
}

const messageListener = (
  conn: WebSocket.WebSocket,