Function computeBaselineForBarsFromData

src/interaction/findNearestPoint.ts:332–349

(seriesConfigs: ReadonlyArray<ResolvedBarSeriesConfig>)

}

const computeBaselineForBarsFromData = (seriesConfigs: ReadonlyArray<ResolvedBarSeriesConfig>): number => {
  let yMin = Number.POSITIVE_INFINITY;
  let yMax = Number.NEGATIVE_INFINITY;

  for (let s = 0; s < seriesConfigs.length; s++) {
    const data = seriesConfigs[s].data;
    for (let i = 0; i < data.length; i++) {
      const { y } = getPointXY(data[i]);
      if (!Number.isFinite(y)) continue;
      if (y < yMin) yMin = y;
      if (y > yMax) yMax = y;
    }
  }

  if (!Number.isFinite(yMin) || !Number.isFinite(yMax)) return 0;
  if (yMin <= 0 && 0 <= yMax) return 0;
  return Math.abs(yMin) < Math.abs(yMax) ? yMin : yMax;
};

export function inferPlotHeightPxForBarHitTesting(
  seriesConfigs: ReadonlyArray<ResolvedBarSeriesConfig>,