private static getMetadata()

in src/EnhancedScatterChart.ts [1037:1104]
63 lines of code
6 McCabe index (conditional complexity)

    private static getMetadata(
        categories: DataViewCategoryColumn[],
        grouped: DataViewValueColumnGroup[],
    ): EnhancedScatterChartMeasureMetadata {
        let categoryIndex: number = getCategoryIndexOfRole(categories, EnhancedScatterChart.ColumnCategory),
            colorFillIndex: number = getCategoryIndexOfRole(categories, EnhancedScatterChart.ColumnColorFill),
            imageIndex: number = getCategoryIndexOfRole(categories, EnhancedScatterChart.ColumnImage),
            backdropIndex: number = getCategoryIndexOfRole(categories, EnhancedScatterChart.ColumnBackdrop),
            xIndex: number = getMeasureIndexOfRole(grouped, EnhancedScatterChart.ColumnX),
            yIndex: number = getMeasureIndexOfRole(grouped, EnhancedScatterChart.ColumnY),
            sizeIndex: number = getMeasureIndexOfRole(grouped, EnhancedScatterChart.ColumnSize),
            shapeIndex: number = getMeasureIndexOfRole(grouped, EnhancedScatterChart.ColumnShape),
            rotationIndex: number = getMeasureIndexOfRole(grouped, EnhancedScatterChart.ColumnRotation),
            xStartIndex: number = getMeasureIndexOfRole(grouped, EnhancedScatterChart.ColumnXStart),
            xEndIndex: number = getMeasureIndexOfRole(grouped, EnhancedScatterChart.ColumnXEnd),
            yStartIndex: number = getMeasureIndexOfRole(grouped, EnhancedScatterChart.ColumnYStart),
            yEndIndex: number = getMeasureIndexOfRole(grouped, EnhancedScatterChart.ColumnYEnd),
            xCol: DataViewMetadataColumn,
            yCol: DataViewMetadataColumn,
            sizeCol: DataViewMetadataColumn,
            xAxisLabel: string = EnhancedScatterChart.EmptyString,
            yAxisLabel: string = EnhancedScatterChart.EmptyString;

        if (grouped && grouped.length) {
            const firstGroup: DataViewValueColumnGroup = grouped[0];

            if (xIndex >= 0) {
                xCol = firstGroup.values[xIndex].source;
                xAxisLabel = firstGroup.values[xIndex].source.displayName;
            }

            if (yIndex >= 0) {
                yCol = firstGroup.values[yIndex].source;
                yAxisLabel = firstGroup.values[yIndex].source.displayName;
            }

            if (sizeIndex >= 0) {
                sizeCol = firstGroup.values[sizeIndex].source;
            }
        }

        return {
            idx: {
                category: categoryIndex,
                x: xIndex,
                y: yIndex,
                size: sizeIndex,
                colorFill: colorFillIndex,
                shape: shapeIndex,
                image: imageIndex,
                rotation: rotationIndex,
                backdrop: backdropIndex,
                xStart: xStartIndex,
                xEnd: xEndIndex,
                yStart: yStartIndex,
                yEnd: yEndIndex
            },
            cols: {
                x: xCol,
                y: yCol,
                size: sizeCol
            },
            axesLabels: {
                x: xAxisLabel,
                y: yAxisLabel
            }
        };
    }