Function getScaledPoints

src/ui-react-dom-charts/common/data.ts:81–134

(
  kind: Kind,
  points: DataPoint[],
  [xMin, xMax, yMin, yMax]: Bounds,
  [width, height]: Size,
  xValues?: XValue[],
  xScale: XScale = CATEGORY,
  timestampUnit: TimestampUnit = MILLISECOND,
  xTitle?: string,
  yTitle?: string,
)

};

export const getScaledPoints = (
  kind: Kind,
  points: DataPoint[],
  [xMin, xMax, yMin, yMax]: Bounds,
  [width, height]: Size,
  xValues?: XValue[],
  xScale: XScale = CATEGORY,
  timestampUnit: TimestampUnit = MILLISECOND,
  xTitle?: string,
  yTitle?: string,
): ScaledPoint[] => {
  const continuousX = xScale != CATEGORY;
  const xDomain: Domain = continuousX
    ? [xMin as number, xMax as number]
    : [0, 0];
  const yDomain: Domain = [yMin ?? 0, yMax ?? 0];
  const xCategories = mapNew<XValue, number>();

  arrayForEach(
    isNullish(xValues) || arrayIsEmpty(xValues)
      ? arrayMap(points, ([, xValue]) => xValue)
      : xValues,
    (xValue) =>
      collHas(xCategories, xValue)
        ? 0
        : mapSet(xCategories, xValue, collSize(xCategories)),
  );

  return arrayFilter(
    arrayMap(points, ([rowId, xValue, yValue]): ScaledPoint | undefined => {
      const x = getX(
        xValue,
        xScale,
        timestampUnit,
        xDomain,
        xCategories,
        width,
        kind,
      );
      return isUndefined(x)
        ? undefined
        : [
            rowId,
            xValue,
            yValue,
            x,
            height - getScale(yValue, yDomain[0], yDomain[1], height),
            xTitle,
            yTitle,
          ];
    }),
    (point): point is ScaledPoint => !isUndefined(point),
  );
};

const getX = (
  xValue: XValue,