private calculateViewport()

in src/legend/svgLegend.ts [206:233]

• 25 lines of code
• 13 McCabe index (conditional complexity)

    private calculateViewport(): void {
        switch (this.orientation) {
            case LegendPosition.Top:
            case LegendPosition.Bottom:
            case LegendPosition.TopCenter:
            case LegendPosition.BottomCenter:
                let pixelHeight = PixelConverter.fromPointToPixel(this.data && this.data.fontSize
                    ? this.data.fontSize
                    : SVGLegend.DefaultFontSizeInPt);

                let fontHeightSize = SVGLegend.TopLegendHeight + (pixelHeight - SVGLegend.DefaultFontSizeInPt);
                this.viewport = { height: fontHeightSize, width: 0 };
                return;
            case LegendPosition.Right:
            case LegendPosition.Left:
            case LegendPosition.RightCenter:
            case LegendPosition.LeftCenter:
                let width = this.lastCalculatedWidth
                    ? this.lastCalculatedWidth
                    : this.parentViewport.width * SVGLegend.LegendMaxWidthFactor;

                this.viewport = { height: 0, width: width };
                return;

            case LegendPosition.None:
                this.viewport = { height: 0, width: 0 };
        }
    }