recharts/es6/state/selectors/combiners/combineActiveLabel.js

React charts

import { isNan } from '../../../util/DataUtils';
export var combineActiveLabel = (tooltipTicks, activeIndex) => {
  var _tooltipTicks$n;
  var n = Number(activeIndex);
  if (isNan(n) || activeIndex == null) {
    return undefined;
  }
  return n >= 0 ? tooltipTicks === null || tooltipTicks === void 0 || (_tooltipTicks$n = tooltipTicks[n]) === null || _tooltipTicks$n === void 0 ? void 0 : _tooltipTicks$n.value : undefined;
};