@visx/scale/esm/operators/zero.js

visx scale

export default function applyZero(scale, config) {
  if ('zero' in config && config.zero === true) {
    var domain = scale.domain();
    var a = domain[0],
      b = domain[1];
    var isDescending = b < a;
    var _ref = isDescending ? [b, a] : [a, b],
      min = _ref[0],
      max = _ref[1];
    var domainWithZero = [Math.min(0, min), Math.max(0, max)];
    scale.domain(isDescending ? domainWithZero.reverse() : domainWithZero);
  }
}