Method setOption

src/worker/ChartGPUWorkerProxy.ts:1169–1210

(options: ChartGPUOptions)

  }
  
  setOption(options: ChartGPUOptions): void {
    if (this.isDisposed) {
      throw new ChartGPUWorkerError(
        'Cannot setOption on disposed chart',
        'DISPOSED',
        'setOption',
        this.chartId
      );
    }
    
    // Check if dataZoom slider needs to be added or removed
    const prevOptions = this.cachedOptions;
    const hadSliderZoom = prevOptions.dataZoom?.some(z => z?.type === 'slider') ?? false;
    const hasSliderZoom = options.dataZoom?.some(z => z?.type === 'slider') ?? false;
    
    this.cachedOptions = options;
    this.recomputeCachedSeriesPointCountsForZoom(options);
    
    // Recreate overlays if dataZoom slider presence changed
    if (hadSliderZoom !== hasSliderZoom) {
      // Dispose old overlays
      this.disposeOverlays();
      // Recreate with new configuration
      this.createOverlays();
    } else if (hasSliderZoom && this.zoomState) {
      // Update span constraints at runtime (matches worker coordinator behavior).
      const constraints = this.computeZoomSpanConstraints(options);
      const withConstraints = this.zoomState as unknown as {
        setSpanConstraints?: (minSpan: number, maxSpan: number) => void;
      };
      withConstraints.setSpanConstraints?.(
        (constraints.minSpan as number) ?? 0.5,
        (constraints.maxSpan as number) ?? 100
      );
    }
    
    this.sendMessage({
      type: 'setOption',
      chartId: this.chartId,
      options,
    });
  }
  
  /**
   * Appends data points to a series (DataPoint[] or OHLCDataPoint[] form).