fun expandLimits()

in plot-api/src/commonMain/kotlin/org/jetbrains/letsPlot/scale/ExpandLimits.kt [38:77]

• 35 lines of code
• 5 McCabe index (conditional complexity)

fun expandLimits(
    x: Any? = null,
    y: Any? = null,
    size: Any? = null,
    color: Any? = null,
    fill: Any? = null,
    alpha: Any? = null,
    shape: Any? = null
): Feature {

    val standardized: Map<String, List<Any?>> = mapOf(
        "x" to standardize(x),
        "y" to standardize(y),
        "size" to standardize(size),
        "color" to standardize(color),
        "fill" to standardize(fill),
        "alpha" to standardize(alpha),
        "shape" to standardize(shape),
    )

    // Drop all undefined but keep x and y even if undefined.
    val cleaned = standardized.filter { (k, v) ->
        k == "x" || k == "y" || v.any { it != null && if (it is Number) isFinite(it.toDouble()) else true }
    }

    val maxLen = cleaned.values.maxBy { it.size }.size
    val data = cleaned.mapValues { (_, v) ->
        v + List(maxLen - v.size) { null }
    }

    return geomBlank {
        this.x = data.getValue("x")
        this.y = data.getValue("y")
        data["size"]?.let { this.size = it }
        data["color"]?.let { this.color = it }
        data["fill"]?.let { this.fill = it }
        data["alpha"]?.let { this.alpha = it }
        data["shape"]?.let { this.shape = it }
    }
}