Method sendMessage

src/worker/ChartGPUWorkerProxy.ts:1682–1701

* Sends a message to the worker without expecting a response. * * @param message - Message to send * @param transfer - Optional transferable objects

(message: WorkerInboundMessage, transfer?: Transferable[])

   * @param transfer - Optional transferable objects
   */
  private sendMessage(message: WorkerInboundMessage, transfer?: Transferable[]): void {
    if (this.isDisposed) {
      return; // Silent no-op for disposed charts
    }
    
    try {
      if (transfer && transfer.length > 0) {
        this.worker.postMessage(message, transfer);
      } else {
        this.worker.postMessage(message);
      }
    } catch (error) {
      throw new ChartGPUWorkerError(
        `Failed to send message to worker: ${error instanceof Error ? error.message : String(error)}`,
        'COMMUNICATION_ERROR',
        message.type,
        this.chartId
      );
    }
  }
  
  /**
   * Sends a message to the worker and waits for a response.