Grabbed dndbeyond's source code

``` ~/go/bin/sourcemapper -output ddb -jsurl https://media.dndbeyond.com/character-app/static/js/main.90aa78c5.js ```
2025-05-28 11:50:03 -07:00
commit 8df9031d27
3592 changed files with 319051 additions and 0 deletions
@@ -0,0 +1,8 @@
+export default function addLeadingZeros(number, targetLength) {
+  var sign = number < 0 ? '-' : '';
+  var output = Math.abs(number).toString();
+  while (output.length < targetLength) {
+    output = '0' + output;
+  }
+  return sign + output;
+}
@@ -0,0 +1,12 @@
+export default function assign(target, object) {
+  if (target == null) {
+    throw new TypeError('assign requires that input parameter not be null or undefined');
+  }
+  for (var property in object) {
+    if (Object.prototype.hasOwnProperty.call(object, property)) {
+      ;
+      target[property] = object[property];
+    }
+  }
+  return target;
+}
@@ -0,0 +1,4 @@
+import assign from "../assign/index.js";
+export default function cloneObject(object) {
+  return assign({}, object);
+}
@@ -0,0 +1,2 @@
+import defaultLocale from "../../locale/en-US/index.js";
+export default defaultLocale;
@@ -0,0 +1,7 @@
+var defaultOptions = {};
+export function getDefaultOptions() {
+  return defaultOptions;
+}
+export function setDefaultOptions(newOptions) {
+  defaultOptions = newOptions;
+}
@@ -0,0 +1,80 @@
+import addLeadingZeros from "../../addLeadingZeros/index.js";
+/*
+ * |     | Unit                           |     | Unit                           |
+ * |-----|--------------------------------|-----|--------------------------------|
+ * |  a  | AM, PM                         |  A* |                                |
+ * |  d  | Day of month                   |  D  |                                |
+ * |  h  | Hour [1-12]                    |  H  | Hour [0-23]                    |
+ * |  m  | Minute                         |  M  | Month                          |
+ * |  s  | Second                         |  S  | Fraction of second             |
+ * |  y  | Year (abs)                     |  Y  |                                |
+ *
+ * Letters marked by * are not implemented but reserved by Unicode standard.
+ */
+var formatters = {
+  // Year
+  y: function y(date, token) {
+    // From http://www.unicode.org/reports/tr35/tr35-31/tr35-dates.html#Date_Format_tokens
+    // | Year     |     y | yy |   yyy |  yyyy | yyyyy |
+    // |----------|-------|----|-------|-------|-------|
+    // | AD 1     |     1 | 01 |   001 |  0001 | 00001 |
+    // | AD 12    |    12 | 12 |   012 |  0012 | 00012 |
+    // | AD 123   |   123 | 23 |   123 |  0123 | 00123 |
+    // | AD 1234  |  1234 | 34 |  1234 |  1234 | 01234 |
+    // | AD 12345 | 12345 | 45 | 12345 | 12345 | 12345 |
+
+    var signedYear = date.getUTCFullYear();
+    // Returns 1 for 1 BC (which is year 0 in JavaScript)
+    var year = signedYear > 0 ? signedYear : 1 - signedYear;
+    return addLeadingZeros(token === 'yy' ? year % 100 : year, token.length);
+  },
+  // Month
+  M: function M(date, token) {
+    var month = date.getUTCMonth();
+    return token === 'M' ? String(month + 1) : addLeadingZeros(month + 1, 2);
+  },
+  // Day of the month
+  d: function d(date, token) {
+    return addLeadingZeros(date.getUTCDate(), token.length);
+  },
+  // AM or PM
+  a: function a(date, token) {
+    var dayPeriodEnumValue = date.getUTCHours() / 12 >= 1 ? 'pm' : 'am';
+    switch (token) {
+      case 'a':
+      case 'aa':
+        return dayPeriodEnumValue.toUpperCase();
+      case 'aaa':
+        return dayPeriodEnumValue;
+      case 'aaaaa':
+        return dayPeriodEnumValue[0];
+      case 'aaaa':
+      default:
+        return dayPeriodEnumValue === 'am' ? 'a.m.' : 'p.m.';
+    }
+  },
+  // Hour [1-12]
+  h: function h(date, token) {
+    return addLeadingZeros(date.getUTCHours() % 12 || 12, token.length);
+  },
+  // Hour [0-23]
+  H: function H(date, token) {
+    return addLeadingZeros(date.getUTCHours(), token.length);
+  },
+  // Minute
+  m: function m(date, token) {
+    return addLeadingZeros(date.getUTCMinutes(), token.length);
+  },
+  // Second
+  s: function s(date, token) {
+    return addLeadingZeros(date.getUTCSeconds(), token.length);
+  },
+  // Fraction of second
+  S: function S(date, token) {
+    var numberOfDigits = token.length;
+    var milliseconds = date.getUTCMilliseconds();
+    var fractionalSeconds = Math.floor(milliseconds * Math.pow(10, numberOfDigits - 3));
+    return addLeadingZeros(fractionalSeconds, token.length);
+  }
+};
+export default formatters;
@@ -0,0 +1,16 @@
+/**
+ * Google Chrome as of 67.0.3396.87 introduced timezones with offset that includes seconds.
+ * They usually appear for dates that denote time before the timezones were introduced
+ * (e.g. for 'Europe/Prague' timezone the offset is GMT+00:57:44 before 1 October 1891
+ * and GMT+01:00:00 after that date)
+ *
+ * Date#getTimezoneOffset returns the offset in minutes and would return 57 for the example above,
+ * which would lead to incorrect calculations.
+ *
+ * This function returns the timezone offset in milliseconds that takes seconds in account.
+ */
+export default function getTimezoneOffsetInMilliseconds(date) {
+  var utcDate = new Date(Date.UTC(date.getFullYear(), date.getMonth(), date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds(), date.getMilliseconds()));
+  utcDate.setUTCFullYear(date.getFullYear());
+  return date.getTime() - utcDate.getTime();
+}
@@ -0,0 +1,5 @@
+export default function requiredArgs(required, args) {
+  if (args.length < required) {
+    throw new TypeError(required + ' argument' + (required > 1 ? 's' : '') + ' required, but only ' + args.length + ' present');
+  }
+}
@@ -0,0 +1,13 @@
+var roundingMap = {
+  ceil: Math.ceil,
+  round: Math.round,
+  floor: Math.floor,
+  trunc: function trunc(value) {
+    return value < 0 ? Math.ceil(value) : Math.floor(value);
+  } // Math.trunc is not supported by IE
+};
+
+var defaultRoundingMethod = 'trunc';
+export function getRoundingMethod(method) {
+  return method ? roundingMap[method] : roundingMap[defaultRoundingMethod];
+}
@@ -0,0 +1,10 @@
+export default function toInteger(dirtyNumber) {
+  if (dirtyNumber === null || dirtyNumber === true || dirtyNumber === false) {
+    return NaN;
+  }
+  var number = Number(dirtyNumber);
+  if (isNaN(number)) {
+    return number;
+  }
+  return number < 0 ? Math.ceil(number) : Math.floor(number);
+}
@@ -0,0 +1,27 @@
+import toInteger from "../_lib/toInteger/index.js";
+import toDate from "../toDate/index.js";
+import requiredArgs from "../_lib/requiredArgs/index.js";
+/**
+ * @name addMilliseconds
+ * @category Millisecond Helpers
+ * @summary Add the specified number of milliseconds to the given date.
+ *
+ * @description
+ * Add the specified number of milliseconds to the given date.
+ *
+ * @param {Date|Number} date - the date to be changed
+ * @param {Number} amount - the amount of milliseconds 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 milliseconds added
+ * @throws {TypeError} 2 arguments required
+ *
+ * @example
+ * // Add 750 milliseconds to 10 July 2014 12:45:30.000:
+ * const result = addMilliseconds(new Date(2014, 6, 10, 12, 45, 30, 0), 750)
+ * //=> Thu Jul 10 2014 12:45:30.750
+ */
+export default function addMilliseconds(dirtyDate, dirtyAmount) {
+  requiredArgs(2, arguments);
+  var timestamp = toDate(dirtyDate).getTime();
+  var amount = toInteger(dirtyAmount);
+  return new Date(timestamp + amount);
+}
@@ -0,0 +1,48 @@
+import toDate from "../toDate/index.js";
+import requiredArgs from "../_lib/requiredArgs/index.js";
+/**
+ * @name compareAsc
+ * @category Common Helpers
+ * @summary Compare the two dates and return -1, 0 or 1.
+ *
+ * @description
+ * Compare the two dates and return 1 if the first date is after the second,
+ * -1 if the first date is before the second or 0 if dates are equal.
+ *
+ * @param {Date|Number} dateLeft - the first date to compare
+ * @param {Date|Number} dateRight - the second date to compare
+ * @returns {Number} the result of the comparison
+ * @throws {TypeError} 2 arguments required
+ *
+ * @example
+ * // Compare 11 February 1987 and 10 July 1989:
+ * const result = compareAsc(new Date(1987, 1, 11), new Date(1989, 6, 10))
+ * //=> -1
+ *
+ * @example
+ * // Sort the array of dates:
+ * const result = [
+ *   new Date(1995, 6, 2),
+ *   new Date(1987, 1, 11),
+ *   new Date(1989, 6, 10)
+ * ].sort(compareAsc)
+ * //=> [
+ * //   Wed Feb 11 1987 00:00:00,
+ * //   Mon Jul 10 1989 00:00:00,
+ * //   Sun Jul 02 1995 00:00:00
+ * // ]
+ */
+export default function compareAsc(dirtyDateLeft, dirtyDateRight) {
+  requiredArgs(2, arguments);
+  var dateLeft = toDate(dirtyDateLeft);
+  var dateRight = toDate(dirtyDateRight);
+  var diff = dateLeft.getTime() - dateRight.getTime();
+  if (diff < 0) {
+    return -1;
+  } else if (diff > 0) {
+    return 1;
+    // Return 0 if diff is 0; return NaN if diff is NaN
+  } else {
+    return diff;
+  }
+}
@@ -0,0 +1,183 @@
+/**
+ * Days in 1 week.
+ *
+ * @name daysInWeek
+ * @constant
+ * @type {number}
+ * @default
+ */
+export var daysInWeek = 7;
+
+/**
+ * Days in 1 year
+ * One years equals 365.2425 days according to the formula:
+ *
+ * > Leap year occures every 4 years, except for years that are divisable by 100 and not divisable by 400.
+ * > 1 mean year = (365+1/4-1/100+1/400) days = 365.2425 days
+ *
+ * @name daysInYear
+ * @constant
+ * @type {number}
+ * @default
+ */
+export var daysInYear = 365.2425;
+
+/**
+ * Maximum allowed time.
+ *
+ * @name maxTime
+ * @constant
+ * @type {number}
+ * @default
+ */
+export var maxTime = Math.pow(10, 8) * 24 * 60 * 60 * 1000;
+
+/**
+ * Milliseconds in 1 minute
+ *
+ * @name millisecondsInMinute
+ * @constant
+ * @type {number}
+ * @default
+ */
+export var millisecondsInMinute = 60000;
+
+/**
+ * Milliseconds in 1 hour
+ *
+ * @name millisecondsInHour
+ * @constant
+ * @type {number}
+ * @default
+ */
+export var millisecondsInHour = 3600000;
+
+/**
+ * Milliseconds in 1 second
+ *
+ * @name millisecondsInSecond
+ * @constant
+ * @type {number}
+ * @default
+ */
+export var millisecondsInSecond = 1000;
+
+/**
+ * Minimum allowed time.
+ *
+ * @name minTime
+ * @constant
+ * @type {number}
+ * @default
+ */
+export var minTime = -maxTime;
+
+/**
+ * Minutes in 1 hour
+ *
+ * @name minutesInHour
+ * @constant
+ * @type {number}
+ * @default
+ */
+export var minutesInHour = 60;
+
+/**
+ * Months in 1 quarter
+ *
+ * @name monthsInQuarter
+ * @constant
+ * @type {number}
+ * @default
+ */
+export var monthsInQuarter = 3;
+
+/**
+ * Months in 1 year
+ *
+ * @name monthsInYear
+ * @constant
+ * @type {number}
+ * @default
+ */
+export var monthsInYear = 12;
+
+/**
+ * Quarters in 1 year
+ *
+ * @name quartersInYear
+ * @constant
+ * @type {number}
+ * @default
+ */
+export var quartersInYear = 4;
+
+/**
+ * Seconds in 1 hour
+ *
+ * @name secondsInHour
+ * @constant
+ * @type {number}
+ * @default
+ */
+export var secondsInHour = 3600;
+
+/**
+ * Seconds in 1 minute
+ *
+ * @name secondsInMinute
+ * @constant
+ * @type {number}
+ * @default
+ */
+export var secondsInMinute = 60;
+
+/**
+ * Seconds in 1 day
+ *
+ * @name secondsInDay
+ * @constant
+ * @type {number}
+ * @default
+ */
+export var secondsInDay = secondsInHour * 24;
+
+/**
+ * Seconds in 1 week
+ *
+ * @name secondsInWeek
+ * @constant
+ * @type {number}
+ * @default
+ */
+export var secondsInWeek = secondsInDay * 7;
+
+/**
+ * Seconds in 1 year
+ *
+ * @name secondsInYear
+ * @constant
+ * @type {number}
+ * @default
+ */
+export var secondsInYear = secondsInDay * daysInYear;
+
+/**
+ * Seconds in 1 month
+ *
+ * @name secondsInMonth
+ * @constant
+ * @type {number}
+ * @default
+ */
+export var secondsInMonth = secondsInYear / 12;
+
+/**
+ * Seconds in 1 quarter
+ *
+ * @name secondsInQuarter
+ * @constant
+ * @type {number}
+ * @default
+ */
+export var secondsInQuarter = secondsInMonth * 3;
@@ -0,0 +1,32 @@
+import { millisecondsInHour } from "../constants/index.js";
+import differenceInMilliseconds from "../differenceInMilliseconds/index.js";
+import requiredArgs from "../_lib/requiredArgs/index.js";
+import { getRoundingMethod } from "../_lib/roundingMethods/index.js";
+/**
+ * @name differenceInHours
+ * @category Hour Helpers
+ * @summary Get the number of hours between the given dates.
+ *
+ * @description
+ * Get the number of hours between the given dates.
+ *
+ * @param {Date|Number} dateLeft - the later date
+ * @param {Date|Number} dateRight - the earlier date
+ * @param {Object} [options] - an object with options.
+ * @param {String} [options.roundingMethod='trunc'] - a rounding method (`ceil`, `floor`, `round` or `trunc`)
+ * @returns {Number} the number of hours
+ * @throws {TypeError} 2 arguments required
+ *
+ * @example
+ * // How many hours are between 2 July 2014 06:50:00 and 2 July 2014 19:00:00?
+ * const result = differenceInHours(
+ *   new Date(2014, 6, 2, 19, 0),
+ *   new Date(2014, 6, 2, 6, 50)
+ * )
+ * //=> 12
+ */
+export default function differenceInHours(dateLeft, dateRight, options) {
+  requiredArgs(2, arguments);
+  var diff = differenceInMilliseconds(dateLeft, dateRight) / millisecondsInHour;
+  return getRoundingMethod(options === null || options === void 0 ? void 0 : options.roundingMethod)(diff);
+}
@@ -0,0 +1,28 @@
+import toDate from "../toDate/index.js";
+import requiredArgs from "../_lib/requiredArgs/index.js";
+/**
+ * @name differenceInMilliseconds
+ * @category Millisecond Helpers
+ * @summary Get the number of milliseconds between the given dates.
+ *
+ * @description
+ * Get the number of milliseconds between the given dates.
+ *
+ * @param {Date|Number} dateLeft - the later date
+ * @param {Date|Number} dateRight - the earlier date
+ * @returns {Number} the number of milliseconds
+ * @throws {TypeError} 2 arguments required
+ *
+ * @example
+ * // How many milliseconds are between
+ * // 2 July 2014 12:30:20.600 and 2 July 2014 12:30:21.700?
+ * const result = differenceInMilliseconds(
+ *   new Date(2014, 6, 2, 12, 30, 21, 700),
+ *   new Date(2014, 6, 2, 12, 30, 20, 600)
+ * )
+ * //=> 1100
+ */
+export default function differenceInMilliseconds(dateLeft, dateRight) {
+  requiredArgs(2, arguments);
+  return toDate(dateLeft).getTime() - toDate(dateRight).getTime();
+}
@@ -0,0 +1,40 @@
+import { millisecondsInMinute } from "../constants/index.js";
+import differenceInMilliseconds from "../differenceInMilliseconds/index.js";
+import requiredArgs from "../_lib/requiredArgs/index.js";
+import { getRoundingMethod } from "../_lib/roundingMethods/index.js";
+/**
+ * @name differenceInMinutes
+ * @category Minute Helpers
+ * @summary Get the number of minutes between the given dates.
+ *
+ * @description
+ * Get the signed number of full (rounded towards 0) minutes between the given dates.
+ *
+ * @param {Date|Number} dateLeft - the later date
+ * @param {Date|Number} dateRight - the earlier date
+ * @param {Object} [options] - an object with options.
+ * @param {String} [options.roundingMethod='trunc'] - a rounding method (`ceil`, `floor`, `round` or `trunc`)
+ * @returns {Number} the number of minutes
+ * @throws {TypeError} 2 arguments required
+ *
+ * @example
+ * // How many minutes are between 2 July 2014 12:07:59 and 2 July 2014 12:20:00?
+ * const result = differenceInMinutes(
+ *   new Date(2014, 6, 2, 12, 20, 0),
+ *   new Date(2014, 6, 2, 12, 7, 59)
+ * )
+ * //=> 12
+ *
+ * @example
+ * // How many minutes are between 10:01:59 and 10:00:00
+ * const result = differenceInMinutes(
+ *   new Date(2000, 0, 1, 10, 0, 0),
+ *   new Date(2000, 0, 1, 10, 1, 59)
+ * )
+ * //=> -1
+ */
+export default function differenceInMinutes(dateLeft, dateRight, options) {
+  requiredArgs(2, arguments);
+  var diff = differenceInMilliseconds(dateLeft, dateRight) / millisecondsInMinute;
+  return getRoundingMethod(options === null || options === void 0 ? void 0 : options.roundingMethod)(diff);
+}
@@ -0,0 +1,32 @@
+import differenceInMilliseconds from "../differenceInMilliseconds/index.js";
+import requiredArgs from "../_lib/requiredArgs/index.js";
+import { getRoundingMethod } from "../_lib/roundingMethods/index.js";
+/**
+ * @name differenceInSeconds
+ * @category Second Helpers
+ * @summary Get the number of seconds between the given dates.
+ *
+ * @description
+ * Get the number of seconds between the given dates.
+ *
+ * @param {Date|Number} dateLeft - the later date
+ * @param {Date|Number} dateRight - the earlier date
+ * @param {Object} [options] - an object with options.
+ * @param {String} [options.roundingMethod='trunc'] - a rounding method (`ceil`, `floor`, `round` or `trunc`)
+ * @returns {Number} the number of seconds
+ * @throws {TypeError} 2 arguments required
+ *
+ * @example
+ * // How many seconds are between
+ * // 2 July 2014 12:30:07.999 and 2 July 2014 12:30:20.000?
+ * const result = differenceInSeconds(
+ *   new Date(2014, 6, 2, 12, 30, 20, 0),
+ *   new Date(2014, 6, 2, 12, 30, 7, 999)
+ * )
+ * //=> 12
+ */
+export default function differenceInSeconds(dateLeft, dateRight, options) {
+  requiredArgs(2, arguments);
+  var diff = differenceInMilliseconds(dateLeft, dateRight) / 1000;
+  return getRoundingMethod(options === null || options === void 0 ? void 0 : options.roundingMethod)(diff);
+}
@@ -0,0 +1,190 @@
+import { getDefaultOptions } from "../_lib/defaultOptions/index.js";
+import getTimezoneOffsetInMilliseconds from "../_lib/getTimezoneOffsetInMilliseconds/index.js";
+import compareAsc from "../compareAsc/index.js";
+import toDate from "../toDate/index.js";
+import cloneObject from "../_lib/cloneObject/index.js";
+import assign from "../_lib/assign/index.js";
+import defaultLocale from "../_lib/defaultLocale/index.js";
+import requiredArgs from "../_lib/requiredArgs/index.js";
+var MILLISECONDS_IN_MINUTE = 1000 * 60;
+var MINUTES_IN_DAY = 60 * 24;
+var MINUTES_IN_MONTH = MINUTES_IN_DAY * 30;
+var MINUTES_IN_YEAR = MINUTES_IN_DAY * 365;
+
+/**
+ * @name formatDistanceStrict
+ * @category Common Helpers
+ * @summary Return the distance between the given dates in words.
+ *
+ * @description
+ * Return the distance between the given dates in words, using strict units.
+ * This is like `formatDistance`, but does not use helpers like 'almost', 'over',
+ * 'less than' and the like.
+ *
+ * | Distance between dates | Result              |
+ * |------------------------|---------------------|
+ * | 0 ... 59 secs          | [0..59] seconds     |
+ * | 1 ... 59 mins          | [1..59] minutes     |
+ * | 1 ... 23 hrs           | [1..23] hours       |
+ * | 1 ... 29 days          | [1..29] days        |
+ * | 1 ... 11 months        | [1..11] months      |
+ * | 1 ... N years          | [1..N]  years       |
+ *
+ * @param {Date|Number} date - the date
+ * @param {Date|Number} baseDate - the date to compare with
+ * @param {Object} [options] - an object with options.
+ * @param {Boolean} [options.addSuffix=false] - result indicates if the second date is earlier or later than the first
+ * @param {'second'|'minute'|'hour'|'day'|'month'|'year'} [options.unit] - if specified, will force a unit
+ * @param {'floor'|'ceil'|'round'} [options.roundingMethod='round'] - which way to round partial units
+ * @param {Locale} [options.locale=defaultLocale] - the locale object. See [Locale]{@link https://date-fns.org/docs/Locale}
+ * @returns {String} the distance 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.roundingMethod` must be 'floor', 'ceil' or 'round'
+ * @throws {RangeError} `options.unit` must be 'second', 'minute', 'hour', 'day', 'month' or 'year'
+ * @throws {RangeError} `options.locale` must contain `formatDistance` property
+ *
+ * @example
+ * // What is the distance between 2 July 2014 and 1 January 2015?
+ * const result = formatDistanceStrict(new Date(2014, 6, 2), new Date(2015, 0, 2))
+ * //=> '6 months'
+ *
+ * @example
+ * // What is the distance between 1 January 2015 00:00:15
+ * // and 1 January 2015 00:00:00?
+ * const result = formatDistanceStrict(
+ *   new Date(2015, 0, 1, 0, 0, 15),
+ *   new Date(2015, 0, 1, 0, 0, 0)
+ * )
+ * //=> '15 seconds'
+ *
+ * @example
+ * // What is the distance from 1 January 2016
+ * // to 1 January 2015, with a suffix?
+ * const result = formatDistanceStrict(new Date(2015, 0, 1), new Date(2016, 0, 1), {
+ *   addSuffix: true
+ * })
+ * //=> '1 year ago'
+ *
+ * @example
+ * // What is the distance from 1 January 2016
+ * // to 1 January 2015, in minutes?
+ * const result = formatDistanceStrict(new Date(2016, 0, 1), new Date(2015, 0, 1), {
+ *   unit: 'minute'
+ * })
+ * //=> '525600 minutes'
+ *
+ * @example
+ * // What is the distance from 1 January 2015
+ * // to 28 January 2015, in months, rounded up?
+ * const result = formatDistanceStrict(new Date(2015, 0, 28), new Date(2015, 0, 1), {
+ *   unit: 'month',
+ *   roundingMethod: 'ceil'
+ * })
+ * //=> '1 month'
+ *
+ * @example
+ * // What is the distance between 1 August 2016 and 1 January 2015 in Esperanto?
+ * import { eoLocale } from 'date-fns/locale/eo'
+ * const result = formatDistanceStrict(new Date(2016, 7, 1), new Date(2015, 0, 1), {
+ *   locale: eoLocale
+ * })
+ * //=> '1 jaro'
+ */
+
+export default function formatDistanceStrict(dirtyDate, dirtyBaseDate, options) {
+  var _ref, _options$locale, _options$roundingMeth;
+  requiredArgs(2, arguments);
+  var defaultOptions = getDefaultOptions();
+  var locale = (_ref = (_options$locale = options === null || options === void 0 ? void 0 : options.locale) !== null && _options$locale !== void 0 ? _options$locale : defaultOptions.locale) !== null && _ref !== void 0 ? _ref : defaultLocale;
+  if (!locale.formatDistance) {
+    throw new RangeError('locale must contain localize.formatDistance property');
+  }
+  var comparison = compareAsc(dirtyDate, dirtyBaseDate);
+  if (isNaN(comparison)) {
+    throw new RangeError('Invalid time value');
+  }
+  var localizeOptions = assign(cloneObject(options), {
+    addSuffix: Boolean(options === null || options === void 0 ? void 0 : options.addSuffix),
+    comparison: comparison
+  });
+  var dateLeft;
+  var dateRight;
+  if (comparison > 0) {
+    dateLeft = toDate(dirtyBaseDate);
+    dateRight = toDate(dirtyDate);
+  } else {
+    dateLeft = toDate(dirtyDate);
+    dateRight = toDate(dirtyBaseDate);
+  }
+  var roundingMethod = String((_options$roundingMeth = options === null || options === void 0 ? void 0 : options.roundingMethod) !== null && _options$roundingMeth !== void 0 ? _options$roundingMeth : 'round');
+  var roundingMethodFn;
+  if (roundingMethod === 'floor') {
+    roundingMethodFn = Math.floor;
+  } else if (roundingMethod === 'ceil') {
+    roundingMethodFn = Math.ceil;
+  } else if (roundingMethod === 'round') {
+    roundingMethodFn = Math.round;
+  } else {
+    throw new RangeError("roundingMethod must be 'floor', 'ceil' or 'round'");
+  }
+  var milliseconds = dateRight.getTime() - dateLeft.getTime();
+  var minutes = milliseconds / MILLISECONDS_IN_MINUTE;
+  var timezoneOffset = getTimezoneOffsetInMilliseconds(dateRight) - getTimezoneOffsetInMilliseconds(dateLeft);
+
+  // Use DST-normalized difference in minutes for years, months and days;
+  // use regular difference in minutes for hours, minutes and seconds.
+  var dstNormalizedMinutes = (milliseconds - timezoneOffset) / MILLISECONDS_IN_MINUTE;
+  var defaultUnit = options === null || options === void 0 ? void 0 : options.unit;
+  var unit;
+  if (!defaultUnit) {
+    if (minutes < 1) {
+      unit = 'second';
+    } else if (minutes < 60) {
+      unit = 'minute';
+    } else if (minutes < MINUTES_IN_DAY) {
+      unit = 'hour';
+    } else if (dstNormalizedMinutes < MINUTES_IN_MONTH) {
+      unit = 'day';
+    } else if (dstNormalizedMinutes < MINUTES_IN_YEAR) {
+      unit = 'month';
+    } else {
+      unit = 'year';
+    }
+  } else {
+    unit = String(defaultUnit);
+  }
+
+  // 0 up to 60 seconds
+  if (unit === 'second') {
+    var seconds = roundingMethodFn(milliseconds / 1000);
+    return locale.formatDistance('xSeconds', seconds, localizeOptions);
+
+    // 1 up to 60 mins
+  } else if (unit === 'minute') {
+    var roundedMinutes = roundingMethodFn(minutes);
+    return locale.formatDistance('xMinutes', roundedMinutes, localizeOptions);
+
+    // 1 up to 24 hours
+  } else if (unit === 'hour') {
+    var hours = roundingMethodFn(minutes / 60);
+    return locale.formatDistance('xHours', hours, localizeOptions);
+
+    // 1 up to 30 days
+  } else if (unit === 'day') {
+    var days = roundingMethodFn(dstNormalizedMinutes / MINUTES_IN_DAY);
+    return locale.formatDistance('xDays', days, localizeOptions);
+
+    // 1 up to 12 months
+  } else if (unit === 'month') {
+    var months = roundingMethodFn(dstNormalizedMinutes / MINUTES_IN_MONTH);
+    return months === 12 && defaultUnit !== 'month' ? locale.formatDistance('xYears', 1, localizeOptions) : locale.formatDistance('xMonths', months, localizeOptions);
+
+    // 1 year up to max Date
+  } else if (unit === 'year') {
+    var years = roundingMethodFn(dstNormalizedMinutes / MINUTES_IN_YEAR);
+    return locale.formatDistance('xYears', years, localizeOptions);
+  }
+  throw new RangeError("unit must be 'second', 'minute', 'hour', 'day', 'month' or 'year'");
+}
@@ -0,0 +1,100 @@
+import toDate from "../toDate/index.js";
+import addLeadingZeros from "../_lib/addLeadingZeros/index.js";
+import requiredArgs from "../_lib/requiredArgs/index.js";
+/**
+ * @name formatISO
+ * @category Common Helpers
+ * @summary Format the date according to the ISO 8601 standard (https://support.sas.com/documentation/cdl/en/lrdict/64316/HTML/default/viewer.htm#a003169814.htm).
+ *
+ * @description
+ * Return the formatted date string in ISO 8601 format. Options may be passed to control the parts and notations of the date.
+ *
+ * @param {Date|Number} date - the original date
+ * @param {Object} [options] - an object with options.
+ * @param {'extended'|'basic'} [options.format='extended'] - if 'basic', hide delimiters between date and time values.
+ * @param {'complete'|'date'|'time'} [options.representation='complete'] - format date, time with local time zone, or both.
+ * @returns {String} the formatted date string (in local time zone)
+ * @throws {TypeError} 1 argument required
+ * @throws {RangeError} `date` must not be Invalid Date
+ * @throws {RangeError} `options.format` must be 'extended' or 'basic'
+ * @throws {RangeError} `options.representation` must be 'date', 'time' or 'complete'
+ *
+ * @example
+ * // Represent 18 September 2019 in ISO 8601 format (local time zone is UTC):
+ * const result = formatISO(new Date(2019, 8, 18, 19, 0, 52))
+ * //=> '2019-09-18T19:00:52Z'
+ *
+ * @example
+ * // Represent 18 September 2019 in ISO 8601, short format (local time zone is UTC):
+ * const result = formatISO(new Date(2019, 8, 18, 19, 0, 52), { format: 'basic' })
+ * //=> '20190918T190052'
+ *
+ * @example
+ * // Represent 18 September 2019 in ISO 8601 format, date only:
+ * const result = formatISO(new Date(2019, 8, 18, 19, 0, 52), { representation: 'date' })
+ * //=> '2019-09-18'
+ *
+ * @example
+ * // Represent 18 September 2019 in ISO 8601 format, time only (local time zone is UTC):
+ * const result = formatISO(new Date(2019, 8, 18, 19, 0, 52), { representation: 'time' })
+ * //=> '19:00:52Z'
+ */
+export default function formatISO(date, options) {
+  var _options$format, _options$representati;
+  requiredArgs(1, arguments);
+  var originalDate = toDate(date);
+  if (isNaN(originalDate.getTime())) {
+    throw new RangeError('Invalid time value');
+  }
+  var format = String((_options$format = options === null || options === void 0 ? void 0 : options.format) !== null && _options$format !== void 0 ? _options$format : 'extended');
+  var representation = String((_options$representati = options === null || options === void 0 ? void 0 : options.representation) !== null && _options$representati !== void 0 ? _options$representati : 'complete');
+  if (format !== 'extended' && format !== 'basic') {
+    throw new RangeError("format must be 'extended' or 'basic'");
+  }
+  if (representation !== 'date' && representation !== 'time' && representation !== 'complete') {
+    throw new RangeError("representation must be 'date', 'time', or 'complete'");
+  }
+  var result = '';
+  var tzOffset = '';
+  var dateDelimiter = format === 'extended' ? '-' : '';
+  var timeDelimiter = format === 'extended' ? ':' : '';
+
+  // Representation is either 'date' or 'complete'
+  if (representation !== 'time') {
+    var day = addLeadingZeros(originalDate.getDate(), 2);
+    var month = addLeadingZeros(originalDate.getMonth() + 1, 2);
+    var year = addLeadingZeros(originalDate.getFullYear(), 4);
+
+    // yyyyMMdd or yyyy-MM-dd.
+    result = "".concat(year).concat(dateDelimiter).concat(month).concat(dateDelimiter).concat(day);
+  }
+
+  // Representation is either 'time' or 'complete'
+  if (representation !== 'date') {
+    // Add the timezone.
+    var offset = originalDate.getTimezoneOffset();
+    if (offset !== 0) {
+      var absoluteOffset = Math.abs(offset);
+      var hourOffset = addLeadingZeros(Math.floor(absoluteOffset / 60), 2);
+      var minuteOffset = addLeadingZeros(absoluteOffset % 60, 2);
+      // If less than 0, the sign is +, because it is ahead of time.
+      var sign = offset < 0 ? '+' : '-';
+      tzOffset = "".concat(sign).concat(hourOffset, ":").concat(minuteOffset);
+    } else {
+      tzOffset = 'Z';
+    }
+    var hour = addLeadingZeros(originalDate.getHours(), 2);
+    var minute = addLeadingZeros(originalDate.getMinutes(), 2);
+    var second = addLeadingZeros(originalDate.getSeconds(), 2);
+
+    // If there's also date, separate it with time with 'T'
+    var separator = result === '' ? '' : 'T';
+
+    // Creates a time string consisting of hour, minute, and second, separated by delimiters, if defined.
+    var time = [hour, minute, second].join(timeDelimiter);
+
+    // HHmmss or HH:mm:ss.
+    result = "".concat(result).concat(separator).concat(time).concat(tzOffset);
+  }
+  return result;
+}
@@ -0,0 +1,38 @@
+import _typeof from "@babel/runtime/helpers/esm/typeof";
+import requiredArgs from "../_lib/requiredArgs/index.js";
+/**
+ * @name isDate
+ * @category Common Helpers
+ * @summary Is the given value a date?
+ *
+ * @description
+ * Returns true if the given value is an instance of Date. The function works for dates transferred across iframes.
+ *
+ * @param {*} value - the value to check
+ * @returns {boolean} true if the given value is a date
+ * @throws {TypeError} 1 arguments required
+ *
+ * @example
+ * // For a valid date:
+ * const result = isDate(new Date())
+ * //=> true
+ *
+ * @example
+ * // For an invalid date:
+ * const result = isDate(new Date(NaN))
+ * //=> true
+ *
+ * @example
+ * // For some value:
+ * const result = isDate('2014-02-31')
+ * //=> false
+ *
+ * @example
+ * // For an object:
+ * const result = isDate({})
+ * //=> false
+ */
+export default function isDate(value) {
+  requiredArgs(1, arguments);
+  return value instanceof Date || _typeof(value) === 'object' && Object.prototype.toString.call(value) === '[object Date]';
+}
@@ -0,0 +1,42 @@
+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));
+}
@@ -0,0 +1,118 @@
+import toDate from "../toDate/index.js";
+import formatters from "../_lib/format/lightFormatters/index.js";
+import getTimezoneOffsetInMilliseconds from "../_lib/getTimezoneOffsetInMilliseconds/index.js";
+import isValid from "../isValid/index.js";
+import subMilliseconds from "../subMilliseconds/index.js";
+import requiredArgs from "../_lib/requiredArgs/index.js"; // This RegExp consists of three parts separated by `|`:
+// - (\w)\1* matches any sequences of the same letter
+// - '' matches two quote characters in a row
+// - '(''|[^'])+('|$) matches anything surrounded by two quote characters ('),
+//   except a single quote symbol, which ends the sequence.
+//   Two quote characters do not end the sequence.
+//   If there is no matching single quote
+//   then the sequence will continue until the end of the string.
+// - . matches any single character unmatched by previous parts of the RegExps
+var formattingTokensRegExp = /(\w)\1*|''|'(''|[^'])+('|$)|./g;
+var escapedStringRegExp = /^'([^]*?)'?$/;
+var doubleQuoteRegExp = /''/g;
+var unescapedLatinCharacterRegExp = /[a-zA-Z]/;
+
+/**
+ * @name lightFormat
+ * @category Common Helpers
+ * @summary Format the date.
+ *
+ * @description
+ * Return the formatted date string in the given format. Unlike `format`,
+ * `lightFormat` doesn't use locales and outputs date using the most popular tokens.
+ *
+ * > ⚠️ Please note that the `lightFormat` tokens differ from Moment.js and other libraries.
+ * > See: https://github.com/date-fns/date-fns/blob/master/docs/unicodeTokens.md
+ *
+ * The characters wrapped between two single quotes characters (') are escaped.
+ * Two single quotes in a row, whether inside or outside a quoted sequence, represent a 'real' single quote.
+ *
+ * Format of the string is based on Unicode Technical Standard #35:
+ * https://www.unicode.org/reports/tr35/tr35-dates.html#Date_Field_Symbol_Table
+ *
+ * Accepted patterns:
+ * | Unit                            | Pattern | Result examples                   |
+ * |---------------------------------|---------|-----------------------------------|
+ * | AM, PM                          | a..aaa  | AM, PM                            |
+ * |                                 | aaaa    | a.m., p.m.                        |
+ * |                                 | aaaaa   | a, p                              |
+ * | Calendar year                   | y       | 44, 1, 1900, 2017                 |
+ * |                                 | yy      | 44, 01, 00, 17                    |
+ * |                                 | yyy     | 044, 001, 000, 017                |
+ * |                                 | yyyy    | 0044, 0001, 1900, 2017            |
+ * | Month (formatting)              | M       | 1, 2, ..., 12                     |
+ * |                                 | MM      | 01, 02, ..., 12                   |
+ * | Day of month                    | d       | 1, 2, ..., 31                     |
+ * |                                 | dd      | 01, 02, ..., 31                   |
+ * | Hour [1-12]                     | h       | 1, 2, ..., 11, 12                 |
+ * |                                 | hh      | 01, 02, ..., 11, 12               |
+ * | Hour [0-23]                     | H       | 0, 1, 2, ..., 23                  |
+ * |                                 | HH      | 00, 01, 02, ..., 23               |
+ * | Minute                          | m       | 0, 1, ..., 59                     |
+ * |                                 | mm      | 00, 01, ..., 59                   |
+ * | Second                          | s       | 0, 1, ..., 59                     |
+ * |                                 | ss      | 00, 01, ..., 59                   |
+ * | Fraction of second              | S       | 0, 1, ..., 9                      |
+ * |                                 | SS      | 00, 01, ..., 99                   |
+ * |                                 | SSS     | 000, 001, ..., 999                |
+ * |                                 | SSSS    | ...                               |
+ *
+ * @param {Date|Number} date - the original date
+ * @param {String} format - the string of tokens
+ * @returns {String} the formatted date string
+ * @throws {TypeError} 2 arguments required
+ * @throws {RangeError} format string contains an unescaped latin alphabet character
+ *
+ * @example
+ * const result = lightFormat(new Date(2014, 1, 11), 'yyyy-MM-dd')
+ * //=> '2014-02-11'
+ */
+
+export default function lightFormat(dirtyDate, formatStr) {
+  requiredArgs(2, arguments);
+  var originalDate = toDate(dirtyDate);
+  if (!isValid(originalDate)) {
+    throw new RangeError('Invalid time value');
+  }
+
+  // Convert the date in system timezone to the same date in UTC+00:00 timezone.
+  // This ensures that when UTC functions will be implemented, locales will be compatible with them.
+  // See an issue about UTC functions: https://github.com/date-fns/date-fns/issues/376
+  var timezoneOffset = getTimezoneOffsetInMilliseconds(originalDate);
+  var utcDate = subMilliseconds(originalDate, timezoneOffset);
+  var tokens = formatStr.match(formattingTokensRegExp);
+
+  // The only case when formattingTokensRegExp doesn't match the string is when it's empty
+  if (!tokens) return '';
+  var result = tokens.map(function (substring) {
+    // Replace two single quote characters with one single quote character
+    if (substring === "''") {
+      return "'";
+    }
+    var firstCharacter = substring[0];
+    if (firstCharacter === "'") {
+      return cleanEscapedString(substring);
+    }
+    var formatter = formatters[firstCharacter];
+    if (formatter) {
+      return formatter(utcDate, substring);
+    }
+    if (firstCharacter.match(unescapedLatinCharacterRegExp)) {
+      throw new RangeError('Format string contains an unescaped latin alphabet character `' + firstCharacter + '`');
+    }
+    return substring;
+  }).join('');
+  return result;
+}
+function cleanEscapedString(input) {
+  var matches = input.match(escapedStringRegExp);
+  if (!matches) {
+    return input;
+  }
+  return matches[1].replace(doubleQuoteRegExp, "'");
+}
@@ -0,0 +1,9 @@
+export default function buildFormatLongFn(args) {
+  return function () {
+    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+    // TODO: Remove String()
+    var width = options.width ? String(options.width) : args.defaultWidth;
+    var format = args.formats[width] || args.formats[args.defaultWidth];
+    return format;
+  };
+}
@@ -0,0 +1,18 @@
+export default function buildLocalizeFn(args) {
+  return function (dirtyIndex, options) {
+    var context = options !== null && options !== void 0 && options.context ? String(options.context) : 'standalone';
+    var valuesArray;
+    if (context === 'formatting' && args.formattingValues) {
+      var defaultWidth = args.defaultFormattingWidth || args.defaultWidth;
+      var width = options !== null && options !== void 0 && options.width ? String(options.width) : defaultWidth;
+      valuesArray = args.formattingValues[width] || args.formattingValues[defaultWidth];
+    } else {
+      var _defaultWidth = args.defaultWidth;
+      var _width = options !== null && options !== void 0 && options.width ? String(options.width) : args.defaultWidth;
+      valuesArray = args.values[_width] || args.values[_defaultWidth];
+    }
+    var index = args.argumentCallback ? args.argumentCallback(dirtyIndex) : dirtyIndex;
+    // @ts-ignore: For some reason TypeScript just don't want to match it, no matter how hard we try. I challenge you to try to remove it!
+    return valuesArray[index];
+  };
+}
@@ -0,0 +1,42 @@
+export default function buildMatchFn(args) {
+  return function (string) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+    var width = options.width;
+    var matchPattern = width && args.matchPatterns[width] || args.matchPatterns[args.defaultMatchWidth];
+    var matchResult = string.match(matchPattern);
+    if (!matchResult) {
+      return null;
+    }
+    var matchedString = matchResult[0];
+    var parsePatterns = width && args.parsePatterns[width] || args.parsePatterns[args.defaultParseWidth];
+    var key = Array.isArray(parsePatterns) ? findIndex(parsePatterns, function (pattern) {
+      return pattern.test(matchedString);
+    }) : findKey(parsePatterns, function (pattern) {
+      return pattern.test(matchedString);
+    });
+    var value;
+    value = args.valueCallback ? args.valueCallback(key) : key;
+    value = options.valueCallback ? options.valueCallback(value) : value;
+    var rest = string.slice(matchedString.length);
+    return {
+      value: value,
+      rest: rest
+    };
+  };
+}
+function findKey(object, predicate) {
+  for (var key in object) {
+    if (object.hasOwnProperty(key) && predicate(object[key])) {
+      return key;
+    }
+  }
+  return undefined;
+}
+function findIndex(array, predicate) {
+  for (var key = 0; key < array.length; key++) {
+    if (predicate(array[key])) {
+      return key;
+    }
+  }
+  return undefined;
+}
@@ -0,0 +1,17 @@
+export default function buildMatchPatternFn(args) {
+  return function (string) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+    var matchResult = string.match(args.matchPattern);
+    if (!matchResult) return null;
+    var matchedString = matchResult[0];
+    var parseResult = string.match(args.parsePattern);
+    if (!parseResult) return null;
+    var value = args.valueCallback ? args.valueCallback(parseResult[0]) : parseResult[0];
+    value = options.valueCallback ? options.valueCallback(value) : value;
+    var rest = string.slice(matchedString.length);
+    return {
+      value: value,
+      rest: rest
+    };
+  };
+}
@@ -0,0 +1,83 @@
+var formatDistanceLocale = {
+  lessThanXSeconds: {
+    one: 'less than a second',
+    other: 'less than {{count}} seconds'
+  },
+  xSeconds: {
+    one: '1 second',
+    other: '{{count}} seconds'
+  },
+  halfAMinute: 'half a minute',
+  lessThanXMinutes: {
+    one: 'less than a minute',
+    other: 'less than {{count}} minutes'
+  },
+  xMinutes: {
+    one: '1 minute',
+    other: '{{count}} minutes'
+  },
+  aboutXHours: {
+    one: 'about 1 hour',
+    other: 'about {{count}} hours'
+  },
+  xHours: {
+    one: '1 hour',
+    other: '{{count}} hours'
+  },
+  xDays: {
+    one: '1 day',
+    other: '{{count}} days'
+  },
+  aboutXWeeks: {
+    one: 'about 1 week',
+    other: 'about {{count}} weeks'
+  },
+  xWeeks: {
+    one: '1 week',
+    other: '{{count}} weeks'
+  },
+  aboutXMonths: {
+    one: 'about 1 month',
+    other: 'about {{count}} months'
+  },
+  xMonths: {
+    one: '1 month',
+    other: '{{count}} months'
+  },
+  aboutXYears: {
+    one: 'about 1 year',
+    other: 'about {{count}} years'
+  },
+  xYears: {
+    one: '1 year',
+    other: '{{count}} years'
+  },
+  overXYears: {
+    one: 'over 1 year',
+    other: 'over {{count}} years'
+  },
+  almostXYears: {
+    one: 'almost 1 year',
+    other: 'almost {{count}} years'
+  }
+};
+var formatDistance = function formatDistance(token, count, options) {
+  var result;
+  var tokenValue = formatDistanceLocale[token];
+  if (typeof tokenValue === 'string') {
+    result = tokenValue;
+  } else if (count === 1) {
+    result = tokenValue.one;
+  } else {
+    result = tokenValue.other.replace('{{count}}', count.toString());
+  }
+  if (options !== null && options !== void 0 && options.addSuffix) {
+    if (options.comparison && options.comparison > 0) {
+      return 'in ' + result;
+    } else {
+      return result + ' ago';
+    }
+  }
+  return result;
+};
+export default formatDistance;
@@ -0,0 +1,34 @@
+import buildFormatLongFn from "../../../_lib/buildFormatLongFn/index.js";
+var dateFormats = {
+  full: 'EEEE, MMMM do, y',
+  long: 'MMMM do, y',
+  medium: 'MMM d, y',
+  short: 'MM/dd/yyyy'
+};
+var timeFormats = {
+  full: 'h:mm:ss a zzzz',
+  long: 'h:mm:ss a z',
+  medium: 'h:mm:ss a',
+  short: 'h:mm a'
+};
+var dateTimeFormats = {
+  full: "{{date}} 'at' {{time}}",
+  long: "{{date}} 'at' {{time}}",
+  medium: '{{date}}, {{time}}',
+  short: '{{date}}, {{time}}'
+};
+var formatLong = {
+  date: buildFormatLongFn({
+    formats: dateFormats,
+    defaultWidth: 'full'
+  }),
+  time: buildFormatLongFn({
+    formats: timeFormats,
+    defaultWidth: 'full'
+  }),
+  dateTime: buildFormatLongFn({
+    formats: dateTimeFormats,
+    defaultWidth: 'full'
+  })
+};
+export default formatLong;
@@ -0,0 +1,12 @@
+var formatRelativeLocale = {
+  lastWeek: "'last' eeee 'at' p",
+  yesterday: "'yesterday at' p",
+  today: "'today at' p",
+  tomorrow: "'tomorrow at' p",
+  nextWeek: "eeee 'at' p",
+  other: 'P'
+};
+var formatRelative = function formatRelative(token, _date, _baseDate, _options) {
+  return formatRelativeLocale[token];
+};
+export default formatRelative;
@@ -0,0 +1,143 @@
+import buildLocalizeFn from "../../../_lib/buildLocalizeFn/index.js";
+var eraValues = {
+  narrow: ['B', 'A'],
+  abbreviated: ['BC', 'AD'],
+  wide: ['Before Christ', 'Anno Domini']
+};
+var quarterValues = {
+  narrow: ['1', '2', '3', '4'],
+  abbreviated: ['Q1', 'Q2', 'Q3', 'Q4'],
+  wide: ['1st quarter', '2nd quarter', '3rd quarter', '4th quarter']
+};
+
+// Note: in English, the names of days of the week and months are capitalized.
+// If you are making a new locale based on this one, check if the same is true for the language you're working on.
+// Generally, formatted dates should look like they are in the middle of a sentence,
+// e.g. in Spanish language the weekdays and months should be in the lowercase.
+var monthValues = {
+  narrow: ['J', 'F', 'M', 'A', 'M', 'J', 'J', 'A', 'S', 'O', 'N', 'D'],
+  abbreviated: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
+  wide: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December']
+};
+var dayValues = {
+  narrow: ['S', 'M', 'T', 'W', 'T', 'F', 'S'],
+  short: ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa'],
+  abbreviated: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
+  wide: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday']
+};
+var dayPeriodValues = {
+  narrow: {
+    am: 'a',
+    pm: 'p',
+    midnight: 'mi',
+    noon: 'n',
+    morning: 'morning',
+    afternoon: 'afternoon',
+    evening: 'evening',
+    night: 'night'
+  },
+  abbreviated: {
+    am: 'AM',
+    pm: 'PM',
+    midnight: 'midnight',
+    noon: 'noon',
+    morning: 'morning',
+    afternoon: 'afternoon',
+    evening: 'evening',
+    night: 'night'
+  },
+  wide: {
+    am: 'a.m.',
+    pm: 'p.m.',
+    midnight: 'midnight',
+    noon: 'noon',
+    morning: 'morning',
+    afternoon: 'afternoon',
+    evening: 'evening',
+    night: 'night'
+  }
+};
+var formattingDayPeriodValues = {
+  narrow: {
+    am: 'a',
+    pm: 'p',
+    midnight: 'mi',
+    noon: 'n',
+    morning: 'in the morning',
+    afternoon: 'in the afternoon',
+    evening: 'in the evening',
+    night: 'at night'
+  },
+  abbreviated: {
+    am: 'AM',
+    pm: 'PM',
+    midnight: 'midnight',
+    noon: 'noon',
+    morning: 'in the morning',
+    afternoon: 'in the afternoon',
+    evening: 'in the evening',
+    night: 'at night'
+  },
+  wide: {
+    am: 'a.m.',
+    pm: 'p.m.',
+    midnight: 'midnight',
+    noon: 'noon',
+    morning: 'in the morning',
+    afternoon: 'in the afternoon',
+    evening: 'in the evening',
+    night: 'at night'
+  }
+};
+var ordinalNumber = function ordinalNumber(dirtyNumber, _options) {
+  var number = Number(dirtyNumber);
+
+  // If ordinal numbers depend on context, for example,
+  // if they are different for different grammatical genders,
+  // use `options.unit`.
+  //
+  // `unit` can be 'year', 'quarter', 'month', 'week', 'date', 'dayOfYear',
+  // 'day', 'hour', 'minute', 'second'.
+
+  var rem100 = number % 100;
+  if (rem100 > 20 || rem100 < 10) {
+    switch (rem100 % 10) {
+      case 1:
+        return number + 'st';
+      case 2:
+        return number + 'nd';
+      case 3:
+        return number + 'rd';
+    }
+  }
+  return number + 'th';
+};
+var localize = {
+  ordinalNumber: ordinalNumber,
+  era: buildLocalizeFn({
+    values: eraValues,
+    defaultWidth: 'wide'
+  }),
+  quarter: buildLocalizeFn({
+    values: quarterValues,
+    defaultWidth: 'wide',
+    argumentCallback: function argumentCallback(quarter) {
+      return quarter - 1;
+    }
+  }),
+  month: buildLocalizeFn({
+    values: monthValues,
+    defaultWidth: 'wide'
+  }),
+  day: buildLocalizeFn({
+    values: dayValues,
+    defaultWidth: 'wide'
+  }),
+  dayPeriod: buildLocalizeFn({
+    values: dayPeriodValues,
+    defaultWidth: 'wide',
+    formattingValues: formattingDayPeriodValues,
+    defaultFormattingWidth: 'wide'
+  })
+};
+export default localize;
@@ -0,0 +1,98 @@
+import buildMatchFn from "../../../_lib/buildMatchFn/index.js";
+import buildMatchPatternFn from "../../../_lib/buildMatchPatternFn/index.js";
+var matchOrdinalNumberPattern = /^(\d+)(th|st|nd|rd)?/i;
+var parseOrdinalNumberPattern = /\d+/i;
+var matchEraPatterns = {
+  narrow: /^(b|a)/i,
+  abbreviated: /^(b\.?\s?c\.?|b\.?\s?c\.?\s?e\.?|a\.?\s?d\.?|c\.?\s?e\.?)/i,
+  wide: /^(before christ|before common era|anno domini|common era)/i
+};
+var parseEraPatterns = {
+  any: [/^b/i, /^(a|c)/i]
+};
+var matchQuarterPatterns = {
+  narrow: /^[1234]/i,
+  abbreviated: /^q[1234]/i,
+  wide: /^[1234](th|st|nd|rd)? quarter/i
+};
+var parseQuarterPatterns = {
+  any: [/1/i, /2/i, /3/i, /4/i]
+};
+var matchMonthPatterns = {
+  narrow: /^[jfmasond]/i,
+  abbreviated: /^(jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec)/i,
+  wide: /^(january|february|march|april|may|june|july|august|september|october|november|december)/i
+};
+var parseMonthPatterns = {
+  narrow: [/^j/i, /^f/i, /^m/i, /^a/i, /^m/i, /^j/i, /^j/i, /^a/i, /^s/i, /^o/i, /^n/i, /^d/i],
+  any: [/^ja/i, /^f/i, /^mar/i, /^ap/i, /^may/i, /^jun/i, /^jul/i, /^au/i, /^s/i, /^o/i, /^n/i, /^d/i]
+};
+var matchDayPatterns = {
+  narrow: /^[smtwf]/i,
+  short: /^(su|mo|tu|we|th|fr|sa)/i,
+  abbreviated: /^(sun|mon|tue|wed|thu|fri|sat)/i,
+  wide: /^(sunday|monday|tuesday|wednesday|thursday|friday|saturday)/i
+};
+var parseDayPatterns = {
+  narrow: [/^s/i, /^m/i, /^t/i, /^w/i, /^t/i, /^f/i, /^s/i],
+  any: [/^su/i, /^m/i, /^tu/i, /^w/i, /^th/i, /^f/i, /^sa/i]
+};
+var matchDayPeriodPatterns = {
+  narrow: /^(a|p|mi|n|(in the|at) (morning|afternoon|evening|night))/i,
+  any: /^([ap]\.?\s?m\.?|midnight|noon|(in the|at) (morning|afternoon|evening|night))/i
+};
+var parseDayPeriodPatterns = {
+  any: {
+    am: /^a/i,
+    pm: /^p/i,
+    midnight: /^mi/i,
+    noon: /^no/i,
+    morning: /morning/i,
+    afternoon: /afternoon/i,
+    evening: /evening/i,
+    night: /night/i
+  }
+};
+var match = {
+  ordinalNumber: buildMatchPatternFn({
+    matchPattern: matchOrdinalNumberPattern,
+    parsePattern: parseOrdinalNumberPattern,
+    valueCallback: function valueCallback(value) {
+      return parseInt(value, 10);
+    }
+  }),
+  era: buildMatchFn({
+    matchPatterns: matchEraPatterns,
+    defaultMatchWidth: 'wide',
+    parsePatterns: parseEraPatterns,
+    defaultParseWidth: 'any'
+  }),
+  quarter: buildMatchFn({
+    matchPatterns: matchQuarterPatterns,
+    defaultMatchWidth: 'wide',
+    parsePatterns: parseQuarterPatterns,
+    defaultParseWidth: 'any',
+    valueCallback: function valueCallback(index) {
+      return index + 1;
+    }
+  }),
+  month: buildMatchFn({
+    matchPatterns: matchMonthPatterns,
+    defaultMatchWidth: 'wide',
+    parsePatterns: parseMonthPatterns,
+    defaultParseWidth: 'any'
+  }),
+  day: buildMatchFn({
+    matchPatterns: matchDayPatterns,
+    defaultMatchWidth: 'wide',
+    parsePatterns: parseDayPatterns,
+    defaultParseWidth: 'any'
+  }),
+  dayPeriod: buildMatchFn({
+    matchPatterns: matchDayPeriodPatterns,
+    defaultMatchWidth: 'any',
+    parsePatterns: parseDayPeriodPatterns,
+    defaultParseWidth: 'any'
+  })
+};
+export default match;
@@ -0,0 +1,27 @@
+import formatDistance from "./_lib/formatDistance/index.js";
+import formatLong from "./_lib/formatLong/index.js";
+import formatRelative from "./_lib/formatRelative/index.js";
+import localize from "./_lib/localize/index.js";
+import match from "./_lib/match/index.js";
+/**
+ * @type {Locale}
+ * @category Locales
+ * @summary English locale (United States).
+ * @language English
+ * @iso-639-2 eng
+ * @author Sasha Koss [@kossnocorp]{@link https://github.com/kossnocorp}
+ * @author Lesha Koss [@leshakoss]{@link https://github.com/leshakoss}
+ */
+var locale = {
+  code: 'en-US',
+  formatDistance: formatDistance,
+  formatLong: formatLong,
+  formatRelative: formatRelative,
+  localize: localize,
+  match: match,
+  options: {
+    weekStartsOn: 0 /* Sunday */,
+    firstWeekContainsDate: 1
+  }
+};
+export default locale;
@@ -0,0 +1,26 @@
+import addMilliseconds from "../addMilliseconds/index.js";
+import requiredArgs from "../_lib/requiredArgs/index.js";
+import toInteger from "../_lib/toInteger/index.js";
+/**
+ * @name subMilliseconds
+ * @category Millisecond Helpers
+ * @summary Subtract the specified number of milliseconds from the given date.
+ *
+ * @description
+ * Subtract the specified number of milliseconds from the given date.
+ *
+ * @param {Date|Number} date - the date to be changed
+ * @param {Number} amount - the amount of milliseconds 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 milliseconds subtracted
+ * @throws {TypeError} 2 arguments required
+ *
+ * @example
+ * // Subtract 750 milliseconds from 10 July 2014 12:45:30.000:
+ * const result = subMilliseconds(new Date(2014, 6, 10, 12, 45, 30, 0), 750)
+ * //=> Thu Jul 10 2014 12:45:29.250
+ */
+export default function subMilliseconds(dirtyDate, dirtyAmount) {
+  requiredArgs(2, arguments);
+  var amount = toInteger(dirtyAmount);
+  return addMilliseconds(dirtyDate, -amount);
+}
@@ -0,0 +1,52 @@
+import _typeof from "@babel/runtime/helpers/esm/typeof";
+import requiredArgs from "../_lib/requiredArgs/index.js";
+/**
+ * @name toDate
+ * @category Common Helpers
+ * @summary Convert the given argument to an instance of Date.
+ *
+ * @description
+ * Convert the given argument to an instance of Date.
+ *
+ * If the argument is an instance of Date, the function returns its clone.
+ *
+ * If the argument is a number, it is treated as a timestamp.
+ *
+ * If the argument is none of the above, the function returns Invalid Date.
+ *
+ * **Note**: *all* Date arguments passed to any *date-fns* function is processed by `toDate`.
+ *
+ * @param {Date|Number} argument - the value to convert
+ * @returns {Date} the parsed date in the local time zone
+ * @throws {TypeError} 1 argument required
+ *
+ * @example
+ * // Clone the date:
+ * const result = toDate(new Date(2014, 1, 11, 11, 30, 30))
+ * //=> Tue Feb 11 2014 11:30:30
+ *
+ * @example
+ * // Convert the timestamp to date:
+ * const result = toDate(1392098430000)
+ * //=> Tue Feb 11 2014 11:30:30
+ */
+export default function toDate(argument) {
+  requiredArgs(1, arguments);
+  var argStr = Object.prototype.toString.call(argument);
+
+  // Clone the date
+  if (argument instanceof Date || _typeof(argument) === 'object' && argStr === '[object Date]') {
+    // Prevent the date to lose the milliseconds when passed to new Date() in IE10
+    return new Date(argument.getTime());
+  } else if (typeof argument === 'number' || argStr === '[object Number]') {
+    return new Date(argument);
+  } else {
+    if ((typeof argument === 'string' || argStr === '[object String]') && typeof console !== 'undefined') {
+      // eslint-disable-next-line no-console
+      console.warn("Starting with v2.0.0-beta.1 date-fns doesn't accept strings as date arguments. Please use `parseISO` to parse strings. See: https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#string-arguments");
+      // eslint-disable-next-line no-console
+      console.warn(new Error().stack);
+    }
+    return new Date(NaN);
+  }
+}