Function resolveNumericDomain

packages/core/src/scales/domain.ts:45–74

(
  values: readonly number[],
  input: NumericDomainInput = "auto"
)

};

export const resolveNumericDomain = (
  values: readonly number[],
  input: NumericDomainInput = "auto"
): [number, number] => {
  const finite = finiteValues(values);
  const dataMin = finite.length > 0 ? Math.min(...finite) : 0;
  const dataMax = finite.length > 0 ? Math.max(...finite) : 0;

  if (input === "auto") {
    return expandDegenerateDomain([dataMin, dataMax]);
  }

  if (Array.isArray(input)) {
    return expandDegenerateDomain([
      resolveNumericDomainValue(input[0], dataMin, dataMax, dataMin),
      resolveNumericDomainValue(input[1], dataMin, dataMax, dataMax)
    ]);
  }

  let min = resolveNumericDomainValue(input.min, dataMin, dataMax, dataMin);
  let max = resolveNumericDomainValue(input.max, dataMin, dataMax, dataMax);

  if (input.includeZero) {
    min = Math.min(min, 0);
    max = Math.max(max, 0);
  }

  const domain = expandDegenerateDomain([min, max]);
  return input.nice ? niceNumericDomain(domain) : domain;
};

const resolveTimeInput = (
  value: TimeDomainValue | undefined,