fun parseMarginalLayer()

in plot-api/src/commonMain/kotlin/org/jetbrains/letsPlot/bistro/common/Plot2dUtil.kt [164:217]
51 lines of code
3 McCabe index (conditional complexity)

        fun parseMarginalLayer(geomKind: String, side: Char, size: Any?): Feature {
            val marginalColor = when {
                colorBy != null -> null
                color != null -> color
                else -> DEF_COLOR
            }
            val layer = when (geomKind) {
                in listOf("dens", "density") -> {
                    geomArea(
                        stat = Stat.density(),
                        position = positionIdentity,
                        color = marginalColor,
                        fill = marginalColor,
                        alpha = MARGINAL_ALPHA,
                        showLegend = showLegend
                    )
                }

                in listOf("hist", "histogram") -> {
                    val bins = when {
                        bins2d == null -> null
                        side == 't' || side == 'b' -> bins2d.first
                        else -> bins2d.second
                    }
                    val binWidth = when {
                        binWidth2d == null -> null
                        side == 't' || side == 'b' -> binWidth2d.first
                        else -> binWidth2d.second
                    }
                    geomHistogram(
                        color = marginalColor,
                        fill = marginalColor,
                        alpha = MARGINAL_ALPHA,
                        bins = bins,
                        binWidth = binWidth,
                        showLegend = showLegend
                    )
                }

                in listOf("box", "boxplot") -> {
                    geomBoxplot(
                        color = marginalColor,
                        fill = marginalColor,
                        alpha = MARGINAL_ALPHA,
                        showLegend = showLegend
                    )
                }

                else -> {
                    throw IllegalArgumentException("Unknown geom: $geomKind")
                }
            }
            return ggmarginal(side.toString(), size = size, layer = layer)
        }