function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } import toDate from "../toDate/index.js"; import requiredArgs from "../_lib/requiredArgs/index.js"; /** * @name min * @category Common Helpers * @summary Returns the earliest of the given dates. * * @description * Returns the earliest of the given 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) { requiredArgs(1, arguments); var datesArray; // `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); } var result; datesArray.forEach(function (dirtyDate) { var currentDate = toDate(dirtyDate); if (result === undefined || result > currentDate || isNaN(currentDate.getDate())) { result = currentDate; } }); return result || new Date(NaN); }