意外令牌 \'o\'、\"[object Blob]\" 不是有效的 JSON

Question

所以我正在尝试我在 youtube 上找到的视频聊天代码，但是当我尝试建立我的电话时，我最终遇到了这个错误。现在已经有几天了，我不知道问题出在哪里

这是代码

  private localStream: MediaStream;

  inCall = false;
  localVideoActive = false;


  constructor(private dataService: DataService) { }

  async call(): Promise<void> {
    this.createPeerConnection();


    // Add the tracks from the local stream to the RTCPeerConnection
    this.localStream.getTracks().forEach(
      track => this.peerConnection.addTrack(track, this.localStream)
    );

    try {
      const offer: RTCSessionDescriptionInit = await this.peerConnection.createOffer(offerOptions);
      // Establish the offer as the local peer's current description.
      await this.peerConnection.setLocalDescription(offer);

      this.inCall = true;

      this.dataService.sendMessage({type: 'offer', data: offer});
    } catch (err:any) {
      this.handleGetUserMediaError(err);
    }```

Answer 1

如下所述更新您的 websocket 发送消息

 ws.on("message", function message(data, isBinary) {
    const message = isBinary ? data : data.toString();
    // Continue as before.
    console.log(message + "

");
    wss.broadcast(ws, message);
  });