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import toDate from '../toDate/index.ts'import requiredArgs from '../_lib/requiredArgs/index.ts'
/** * @name min * @category Common Helpers * @summary Returns the earliest of the given dates. * * @description * Returns the earliest of the given dates. * * ### v2.0.0 breaking changes: * * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes). * * - `min` function now accepts an array of dates rather than spread arguments. * *   ```javascript *   // Before v2.0.0 *   const date1 = new Date(1989, 6, 10) *   const date2 = new Date(1987, 1, 11) *   const minDate = min(date1, date2) * *   // v2.0.0 onward: *   const dates = [new Date(1989, 6, 10), new Date(1987, 1, 11)] *   const minDate = min(dates) *   ``` * * @param {Date[]|Number[]} datesArray - the dates to compare * @returns {Date} - the earliest of the dates * @throws {TypeError} 1 argument required * * @example * // Which of these dates is the earliest? * const result = min([ *   new Date(1989, 6, 10), *   new Date(1987, 1, 11), *   new Date(1995, 6, 2), *   new Date(1990, 0, 1) * ]) * //=> Wed Feb 11 1987 00:00:00 */export default function min(dirtyDatesArray: Date[] | number[]): Date {  requiredArgs(1, arguments)
  let datesArray: Date[] | number[]  // `dirtyDatesArray` is Array, Set or Map, or object with custom `forEach` method  if (dirtyDatesArray && typeof dirtyDatesArray.forEach === 'function') {    datesArray = dirtyDatesArray    // If `dirtyDatesArray` is Array-like Object, convert to Array.  } else if (typeof dirtyDatesArray === 'object' && dirtyDatesArray !== null) {    datesArray = Array.prototype.slice.call(dirtyDatesArray)  } else {    // `dirtyDatesArray` is non-iterable, return Invalid Date    return new Date(NaN)  }
  let result: Date | undefined
  datesArray.forEach(function (dirtyDate: Date | number) {    let currentDate = toDate(dirtyDate)
    if (      result === undefined ||      result > currentDate ||      isNaN(currentDate.getDate())    ) {      result = currentDate    }  })
  return result || new Date(NaN)}