node_modules/date-fns/esm/isValid/index.js


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import isDate from "../isDate/index.js";
import toDate from "../toDate/index.js";
import requiredArgs from "../_lib/requiredArgs/index.js";
/**
 * @name isValid
 * @category Common Helpers
 * @summary Is the given date valid?
 *
 * @description
 * Returns false if argument is Invalid Date and true otherwise.
 * Argument is converted to Date using `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
 * Invalid Date is a Date, whose time value is NaN.
 *
 * Time value of Date: http://es5.github.io/#x15.9.1.1
 *
 * @param {*} date - the date to check
 * @returns {Boolean} the date is valid
 * @throws {TypeError} 1 argument required
 *
 * @example
 * // For the valid date:
 * const result = isValid(new Date(2014, 1, 31))
 * //=> true
 *
 * @example
 * // For the value, convertable into a date:
 * const result = isValid(1393804800000)
 * //=> true
 *
 * @example
 * // For the invalid date:
 * const result = isValid(new Date(''))
 * //=> false
 */
export default function isValid(dirtyDate) {
  requiredArgs(1, arguments);
  if (!isDate(dirtyDate) && typeof dirtyDate !== 'number') {
    return false;
  }
  var date = toDate(dirtyDate);
  return !isNaN(Number(date));
}