Function getDomainState

src/ui-react-dom-charts/common/data.ts:336–378

(summaries: SeriesSummary[])

};

export const getDomainState = (summaries: SeriesSummary[]): DomainState => {
  const xValues: XValue[] = [];
  const xMins: number[] = [];
  const xMaxes: number[] = [];
  const yMins: number[] = [];
  const yMaxes: number[] = [];
  let continuousX = true;
  let xMin: XValue | undefined;
  let xMax: XValue | undefined;

  arrayForEach(summaries, (summary) => {
    continuousX &&= summary.continuousX;
    arrayForEach(summary.xValues, (xValue) => {
      if (!arrayHas(xValues, xValue)) {
        arrayPush(xValues, xValue);
      }
    });
    if (isNumber(summary.xMin) && isNumber(summary.xMax)) {
      arrayPush(xMins, summary.xMin);
      arrayPush(xMaxes, summary.xMax);
    } else {
      xMin ??= summary.xMin;
      xMax = summary.xMax ?? xMax;
    }
    if (!isUndefined(summary.yMin)) {
      arrayPush(yMins, summary.yMin);
    }
    if (!isUndefined(summary.yMax)) {
      arrayPush(yMaxes, summary.yMax);
    }
  });

  return {
    bounds: [
      arrayIsEmpty(xMins) ? xMin : mathMin(...xMins),
      arrayIsEmpty(xMaxes) ? xMax : mathMax(...xMaxes),
      arrayIsEmpty(yMins) ? undefined : mathMin(...yMins),
      arrayIsEmpty(yMaxes) ? undefined : mathMax(...yMaxes),
    ],
    continuousX: !arrayIsEmpty(summaries) && continuousX,
    xValues,
  };
};

export const getYDomain = (
  points: (DataPoint | ScaledPoint)[],