@colyseus/uwebsockets-transport/build/uWebSocketClient.cjs.map

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{
  "version": 3,
  "sources": ["../src/uWebSocketClient.ts"],
  "sourcesContent": ["import EventEmitter from 'events';\nimport uWebSockets from 'uWebSockets.js';\n\nimport { getMessageBytes, Protocol, type Client, type ClientPrivate, ClientState, type ISendOptions, logger, debugMessage } from '@colyseus/core';\n\nexport class uWebSocketWrapper extends EventEmitter {\n  public ws: uWebSockets.WebSocket<any>;\n  constructor(ws: uWebSockets.WebSocket<any>) {\n    super();\n    this.ws = ws;\n  }\n}\n\nexport const ReadyState = {\n  CONNECTING: 0,\n  OPEN: 1,\n  CLOSING: 2,\n  CLOSED: 3,\n} as const;\nexport type ReadyState = (typeof ReadyState)[keyof typeof ReadyState];\n\nexport class uWebSocketClient implements Client, ClientPrivate {\n  '~messages': any;\n\n  public id: string;\n  public _ref: uWebSocketWrapper;\n\n  public sessionId: string;\n  public state: ClientState = ClientState.JOINING;\n  public readyState: number = ReadyState.OPEN;\n  public reconnectionToken: string;\n\n  public _enqueuedMessages: any[] = [];\n  public _afterNextPatchQueue;\n  public _reconnectionToken: string;\n  public _joinedAt: number;\n\n  constructor(id: string, _ref: uWebSocketWrapper) {\n    this.id = this.sessionId = id;\n    this._ref = _ref;\n    _ref.on('close', () => this.readyState = ReadyState.CLOSED);\n  }\n\n  get ref() { return this._ref; }\n  set ref(_ref: uWebSocketWrapper) {\n    this._ref = _ref;\n    this.readyState = ReadyState.OPEN;\n  }\n\n  public sendBytes(type: string | number, bytes: Buffer | Uint8Array, options?: ISendOptions) {\n    debugMessage(\"send bytes(to %s): '%s' -> %j\", this.sessionId, type, bytes);\n\n    this.enqueueRaw(\n      getMessageBytes.raw(Protocol.ROOM_DATA_BYTES, type, undefined, bytes),\n      options,\n    );\n  }\n\n  public send(messageOrType: any, messageOrOptions?: any | ISendOptions, options?: ISendOptions) {\n    debugMessage(\"send(to %s): '%s' -> %O\", this.sessionId, messageOrType, messageOrOptions);\n\n    this.enqueueRaw(\n      getMessageBytes.raw(Protocol.ROOM_DATA, messageOrType, messageOrOptions),\n      options,\n    );\n  }\n\n  public enqueueRaw(data: Uint8Array | Buffer, options?: ISendOptions) {\n    // use room's afterNextPatch queue\n    if (options?.afterNextPatch) {\n      this._afterNextPatchQueue.push([this, [data]]);\n      return;\n    }\n\n    if (this.state !== ClientState.JOINED) {\n      // sending messages during `onJoin` or `onReconnect`.\n      // - the client-side cannot register \"onMessage\" callbacks at this point.\n      // - enqueue the messages to be send after JOIN_ROOM message has been sent\n      // - create a new buffer for enqueued messages, as the underlying buffer might be modified\n      this._enqueuedMessages?.push(data);\n      return;\n    }\n\n    this.raw(data, options);\n  }\n\n  public raw(data: Uint8Array | Buffer, options?: ISendOptions, cb?: (err?: Error) => void) {\n    // skip if client not open\n    if (this.readyState !== ReadyState.OPEN) {\n      return;\n    }\n\n    try {\n      this._ref.ws.send(data, true, false);\n    } catch (e: any) {\n      // uWS throws \"Invalid access of closed uWS.WebSocket\" if the socket\n      // closed between the readyState check and the send() call.\n      this.readyState = ReadyState.CLOSED;\n    }\n  }\n\n  public error(code: number, message: string = '', cb?: (err?: Error) => void) {\n    this.raw(getMessageBytes[Protocol.ERROR](code, message));\n\n    if (cb) {\n      // delay callback execution - uWS doesn't acknowledge when the message was sent\n      // (same API as \"ws\" transport)\n      process.nextTick(cb);\n    }\n  }\n\n  public leave(code?: number, data?: string) {\n    if (this.readyState !== ReadyState.OPEN) {\n      // connection already closed. ignore.\n      return;\n    }\n\n    this.readyState = ReadyState.CLOSING;\n\n    if (code !== undefined) {\n      this._ref.ws.end(code, data);\n    } else {\n      this._ref.ws.close();\n    }\n  }\n\n  public close(code?: number, data?: string) {\n    logger.warn('DEPRECATION WARNING: use client.leave() instead of client.close()');\n    try {\n      throw new Error();\n    } catch (e: any) {\n      logger.info(e.stack);\n    }\n    this.leave(code, data);\n  }\n\n  public toJSON() {\n    return { sessionId: this.sessionId, readyState: this.readyState };\n  }\n}\n"],
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}