victory-native/src/cartesian/utils/getXScaleInputBounds.ts

A charting library for React Native with a focus on performance and customization.

import { asNumber } from "../../utils/asNumber";

export const getXScaleInputBounds = ({
  isNumericalData,
  ixNum,
  domain,
  tickDomain,
}: {
  isNumericalData: boolean;
  ixNum: number[];
  domain?: [number] | [number, number];
  tickDomain?: [number, number];
}): [number, number] => {
  const ixMin = isNumericalData
    ? asNumber(domain?.[0] ?? tickDomain?.[0] ?? ixNum.at(0))
    : 0;
  const ixMax = isNumericalData
    ? asNumber(domain?.[1] ?? tickDomain?.[1] ?? ixNum.at(-1))
    : ixNum.length - 1;

  return ixMin === ixMax ? [ixMin - 1, ixMax + 1] : [ixMin, ixMax];
};