46 lines
1.0 KiB
JavaScript
46 lines
1.0 KiB
JavaScript
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import { toDate } from "./toDate.mjs";
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/**
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* @name max
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* @category Common Helpers
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* @summary Return the latest of the given dates.
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*
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* @description
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* Return the latest of the given dates.
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*
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* @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
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*
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* @param dates - The dates to compare
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*
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* @returns The latest of the dates
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*
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* @example
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* // Which of these dates is the latest?
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* const result = max([
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* new Date(1989, 6, 10),
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* new Date(1987, 1, 11),
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* new Date(1995, 6, 2),
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* new Date(1990, 0, 1)
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* ])
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* //=> Sun Jul 02 1995 00:00:00
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*/
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export function max(dates) {
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let result;
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dates.forEach(function (dirtyDate) {
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const currentDate = toDate(dirtyDate);
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if (
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result === undefined ||
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result < currentDate ||
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isNaN(Number(currentDate))
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) {
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result = currentDate;
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}
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});
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return result || new Date(NaN);
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}
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// Fallback for modularized imports:
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export default max;
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