How to use @swim/warp - 2 common examples

protected onWebSocketOpen(): void {
    if (this.isConnected()) {
      const credentials = this.credentials();
      if (credentials.isDefined()) {
        const request = new AuthRequest(credentials);
        this.push(request);
      }
      this.onConnect();
      let envelope;
      while ((envelope = this._sendBuffer.shift()) && this.isConnected()) {
        this.push(envelope);
      }
      this.watchIdle();
    } else {
      this.close();
    }
  }

protected onWebSocketMessage(message: MessageEvent): void {
    const data = message.data;
    if (typeof data === "string") {
      const envelope = Envelope.parseRecon(data);
      if (envelope) {
        this.onEnvelope(envelope);
      } else {
        this.onUnknownEnvelope(data);
      }
    }
  }