import { i as isSameDay, s as startOfDay } from './index-8084a931.js';
import { r as requiredArgs, g as getTimezoneOffsetInMilliseconds, t as toDate, a as toInteger, s as subMilliseconds, f as format, b as getDefaultOptions } from './index-2bcbd629.js';
import { d as defaultLocale } from './index-29b5f961.js';

/**
 * @name isToday
 * @category Day Helpers
 * @summary Is the given date today?
 * @pure false
 *
 * @description
 * Is the given date today?
 *
 * > ⚠️ Please note that this function is not present in the FP submodule as
 * > it uses `Date.now()` internally hence impure and can't be safely curried.
 *
 * @param {Date|Number} date - the date to check
 * @returns {Boolean} the date is today
 * @throws {TypeError} 1 argument required
 *
 * @example
 * // If today is 6 October 2014, is 6 October 14:00:00 today?
 * const result = isToday(new Date(2014, 9, 6, 14, 0))
 * //=> true
 */

function isToday(dirtyDate) {
  requiredArgs(1, arguments);
  return isSameDay(dirtyDate, Date.now());
}

var MILLISECONDS_IN_DAY = 86400000;
/**
 * @name differenceInCalendarDays
 * @category Day Helpers
 * @summary Get the number of calendar days between the given dates.
 *
 * @description
 * Get the number of calendar days between the given dates. This means that the times are removed
 * from the dates and then the difference in days is calculated.
 *
 * @param {Date|Number} dateLeft - the later date
 * @param {Date|Number} dateRight - the earlier date
 * @returns {Number} the number of calendar days
 * @throws {TypeError} 2 arguments required
 *
 * @example
 * // How many calendar days are between
 * // 2 July 2011 23:00:00 and 2 July 2012 00:00:00?
 * const result = differenceInCalendarDays(
 *   new Date(2012, 6, 2, 0, 0),
 *   new Date(2011, 6, 2, 23, 0)
 * )
 * //=> 366
 * // How many calendar days are between
 * // 2 July 2011 23:59:00 and 3 July 2011 00:01:00?
 * const result = differenceInCalendarDays(
 *   new Date(2011, 6, 3, 0, 1),
 *   new Date(2011, 6, 2, 23, 59)
 * )
 * //=> 1
 */

function differenceInCalendarDays(dirtyDateLeft, dirtyDateRight) {
  requiredArgs(2, arguments);
  var startOfDayLeft = startOfDay(dirtyDateLeft);
  var startOfDayRight = startOfDay(dirtyDateRight);
  var timestampLeft = startOfDayLeft.getTime() - getTimezoneOffsetInMilliseconds(startOfDayLeft);
  var timestampRight = startOfDayRight.getTime() - getTimezoneOffsetInMilliseconds(startOfDayRight); // Round the number of days to the nearest integer
  // because the number of milliseconds in a day is not constant
  // (e.g. it's different in the day of the daylight saving time clock shift)

  return Math.round((timestampLeft - timestampRight) / MILLISECONDS_IN_DAY);
}

/**
 * @name formatRelative
 * @category Common Helpers
 * @summary Represent the date in words relative to the given base date.
 *
 * @description
 * Represent the date in words relative to the given base date.
 *
 * | Distance to the base date | Result                    |
 * |---------------------------|---------------------------|
 * | Previous 6 days           | last Sunday at 04:30 AM   |
 * | Last day                  | yesterday at 04:30 AM     |
 * | Same day                  | today at 04:30 AM         |
 * | Next day                  | tomorrow at 04:30 AM      |
 * | Next 6 days               | Sunday at 04:30 AM        |
 * | Other                     | 12/31/2017                |
 *
 * @param {Date|Number} date - the date to format
 * @param {Date|Number} baseDate - the date to compare with
 * @param {Object} [options] - an object with options.
 * @param {Locale} [options.locale=defaultLocale] - the locale object. See [Locale]{@link https://date-fns.org/docs/Locale}
 * @param {0|1|2|3|4|5|6} [options.weekStartsOn=0] - the index of the first day of the week (0 - Sunday)
 * @returns {String} the date in words
 * @throws {TypeError} 2 arguments required
 * @throws {RangeError} `date` must not be Invalid Date
 * @throws {RangeError} `baseDate` must not be Invalid Date
 * @throws {RangeError} `options.weekStartsOn` must be between 0 and 6
 * @throws {RangeError} `options.locale` must contain `localize` property
 * @throws {RangeError} `options.locale` must contain `formatLong` property
 * @throws {RangeError} `options.locale` must contain `formatRelative` property
 *
 * @example
 * // Represent the date of 6 days ago in words relative to the given base date. In this example, today is Wednesday
 * const result = formatRelative(addDays(new Date(), -6), new Date())
 * //=> "last Thursday at 12:45 AM"
 */

function formatRelative(dirtyDate, dirtyBaseDate, options) {
  var _ref, _options$locale, _ref2, _ref3, _ref4, _options$weekStartsOn, _options$locale2, _options$locale2$opti, _defaultOptions$local, _defaultOptions$local2;

  requiredArgs(2, arguments);
  var date = toDate(dirtyDate);
  var baseDate = toDate(dirtyBaseDate);
  var defaultOptions = getDefaultOptions();
  var locale = (_ref = (_options$locale = options === null || options === void 0 ? void 0 : options.locale) !== null && _options$locale !== void 0 ? _options$locale : defaultOptions.locale) !== null && _ref !== void 0 ? _ref : defaultLocale;
  var weekStartsOn = toInteger((_ref2 = (_ref3 = (_ref4 = (_options$weekStartsOn = options === null || options === void 0 ? void 0 : options.weekStartsOn) !== null && _options$weekStartsOn !== void 0 ? _options$weekStartsOn : options === null || options === void 0 ? void 0 : (_options$locale2 = options.locale) === null || _options$locale2 === void 0 ? void 0 : (_options$locale2$opti = _options$locale2.options) === null || _options$locale2$opti === void 0 ? void 0 : _options$locale2$opti.weekStartsOn) !== null && _ref4 !== void 0 ? _ref4 : defaultOptions.weekStartsOn) !== null && _ref3 !== void 0 ? _ref3 : (_defaultOptions$local = defaultOptions.locale) === null || _defaultOptions$local === void 0 ? void 0 : (_defaultOptions$local2 = _defaultOptions$local.options) === null || _defaultOptions$local2 === void 0 ? void 0 : _defaultOptions$local2.weekStartsOn) !== null && _ref2 !== void 0 ? _ref2 : 0);

  if (!locale.localize) {
    throw new RangeError('locale must contain localize property');
  }

  if (!locale.formatLong) {
    throw new RangeError('locale must contain formatLong property');
  }

  if (!locale.formatRelative) {
    throw new RangeError('locale must contain formatRelative property');
  }

  var diff = differenceInCalendarDays(date, baseDate);

  if (isNaN(diff)) {
    throw new RangeError('Invalid time value');
  }

  var token;

  if (diff < -6) {
    token = 'other';
  } else if (diff < -1) {
    token = 'lastWeek';
  } else if (diff < 0) {
    token = 'yesterday';
  } else if (diff < 1) {
    token = 'today';
  } else if (diff < 2) {
    token = 'tomorrow';
  } else if (diff < 7) {
    token = 'nextWeek';
  } else {
    token = 'other';
  }

  var utcDate = subMilliseconds(date, getTimezoneOffsetInMilliseconds(date));
  var utcBaseDate = subMilliseconds(baseDate, getTimezoneOffsetInMilliseconds(baseDate));
  var formatStr = locale.formatRelative(token, utcDate, utcBaseDate, {
    locale: locale,
    weekStartsOn: weekStartsOn
  });
  return format(date, formatStr, {
    locale: locale,
    weekStartsOn: weekStartsOn
  });
}

/**
 * @name addDays
 * @category Day Helpers
 * @summary Add the specified number of days to the given date.
 *
 * @description
 * Add the specified number of days to the given date.
 *
 * @param {Date|Number} date - the date to be changed
 * @param {Number} amount - the amount of days to be added. Positive decimals will be rounded using `Math.floor`, decimals less than zero will be rounded using `Math.ceil`.
 * @returns {Date} - the new date with the days added
 * @throws {TypeError} - 2 arguments required
 *
 * @example
 * // Add 10 days to 1 September 2014:
 * const result = addDays(new Date(2014, 8, 1), 10)
 * //=> Thu Sep 11 2014 00:00:00
 */

function addDays(dirtyDate, dirtyAmount) {
  requiredArgs(2, arguments);
  var date = toDate(dirtyDate);
  var amount = toInteger(dirtyAmount);

  if (isNaN(amount)) {
    return new Date(NaN);
  }

  if (!amount) {
    // If 0 days, no-op to avoid changing times in the hour before end of DST
    return date;
  }

  date.setDate(date.getDate() + amount);
  return date;
}

/**
 * @name subDays
 * @category Day Helpers
 * @summary Subtract the specified number of days from the given date.
 *
 * @description
 * Subtract the specified number of days from the given date.
 *
 * @param {Date|Number} date - the date to be changed
 * @param {Number} amount - the amount of days to be subtracted. Positive decimals will be rounded using `Math.floor`, decimals less than zero will be rounded using `Math.ceil`.
 * @returns {Date} the new date with the days subtracted
 * @throws {TypeError} 2 arguments required
 *
 * @example
 * // Subtract 10 days from 1 September 2014:
 * const result = subDays(new Date(2014, 8, 1), 10)
 * //=> Fri Aug 22 2014 00:00:00
 */

function subDays(dirtyDate, dirtyAmount) {
  requiredArgs(2, arguments);
  var amount = toInteger(dirtyAmount);
  return addDays(dirtyDate, -amount);
}

/**
 * @name isYesterday
 * @category Day Helpers
 * @summary Is the given date yesterday?
 * @pure false
 *
 * @description
 * Is the given date yesterday?
 *
 * > ⚠️ Please note that this function is not present in the FP submodule as
 * > it uses `Date.now()` internally hence impure and can't be safely curried.
 *
 * @param {Date|Number} date - the date to check
 * @returns {Boolean} the date is yesterday
 * @throws {TypeError} 1 argument required
 *
 * @example
 * // If today is 6 October 2014, is 5 October 14:00:00 yesterday?
 * const result = isYesterday(new Date(2014, 9, 5, 14, 0))
 * //=> true
 */

function isYesterday(dirtyDate) {
  requiredArgs(1, arguments);
  return isSameDay(dirtyDate, subDays(Date.now(), 1));
}

export { isYesterday as a, formatRelative as f, isToday as i };
//# sourceMappingURL=index-f9e55f25.js.map
