Function getAreaPath

src/ui-react-dom-charts/components/Line.tsx:66–76

(
  points: ScaledPoint[],
  plotX: number,
  plotY: number,
  height: number,
)

  );

const getAreaPath = (
  points: ScaledPoint[],
  plotX: number,
  plotY: number,
  height: number,
) =>
  arrayIsEmpty(points)
    ? ''
    : `${getLinePath(points, plotX, plotY)} L${
        plotX + points[size(points) - 1][3]
      },${plotY + height} L${plotX + points[0][3]},${plotY + height} Z`;