42 lines
996 B
JavaScript
42 lines
996 B
JavaScript
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import { toDate } from "./toDate.mjs";
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/**
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* @name min
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* @category Common Helpers
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* @summary Returns the earliest of the given dates.
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*
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* @description
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* Returns the earliest 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 earliest of the dates
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*
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* @example
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* // Which of these dates is the earliest?
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* const result = min([
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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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* //=> Wed Feb 11 1987 00:00:00
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*/
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export function min(dates) {
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let result;
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dates.forEach((dirtyDate) => {
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const date = toDate(dirtyDate);
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if (!result || result > date || isNaN(+date)) {
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result = date;
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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 min;
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