@undp/design-system-react
Version:
React based design system for UNDP
1 lines • 418 kB
Source Map (JSON)
{"version":3,"file":"calendar-card-BmXmnASy.cjs","names":["enUS","defaultLocale","dateFnsEnUS","React","React","React","React","React","React","React","React","React","React","React","React","React","React","React","React","React","React","React","React","React","React","React","React","React","components","defaultFormatters","defaultLabels","defaultLabels.labelDayButton","defaultLabels.labelMonthDropdown","defaultLabels.labelNext","defaultLabels.labelPrevious","defaultLabels.labelWeekNumber","defaultLabels.labelYearDropdown","defaultLabels.labelGrid","defaultLabels.labelGridcell","defaultLabels.labelNav","defaultLabels.labelWeekNumberHeader","defaultLabels.labelWeekday","getWeekFn","getISOWeekFn","differenceInCalendarDaysFn","differenceInCalendarMonthsFn","targetMonth","defaultLocale","React"],"sources":["../node_modules/@date-fns/tz/tzName/index.js","../node_modules/@date-fns/tz/tzOffset/index.js","../node_modules/@date-fns/tz/date/mini.js","../node_modules/@date-fns/tz/date/index.js","../node_modules/date-fns/constants.js","../node_modules/date-fns/constructFrom.js","../node_modules/date-fns/toDate.js","../node_modules/date-fns/addDays.js","../node_modules/date-fns/addMonths.js","../node_modules/date-fns/_lib/defaultOptions.js","../node_modules/date-fns/startOfWeek.js","../node_modules/date-fns/startOfISOWeek.js","../node_modules/date-fns/getISOWeekYear.js","../node_modules/date-fns/_lib/getTimezoneOffsetInMilliseconds.js","../node_modules/date-fns/_lib/normalizeDates.js","../node_modules/date-fns/startOfDay.js","../node_modules/date-fns/differenceInCalendarDays.js","../node_modules/date-fns/startOfISOWeekYear.js","../node_modules/date-fns/addWeeks.js","../node_modules/date-fns/addYears.js","../node_modules/date-fns/max.js","../node_modules/date-fns/min.js","../node_modules/date-fns/isSameDay.js","../node_modules/date-fns/isDate.js","../node_modules/date-fns/isValid.js","../node_modules/date-fns/differenceInCalendarMonths.js","../node_modules/date-fns/endOfMonth.js","../node_modules/date-fns/_lib/normalizeInterval.js","../node_modules/date-fns/eachMonthOfInterval.js","../node_modules/date-fns/startOfMonth.js","../node_modules/date-fns/endOfYear.js","../node_modules/date-fns/startOfYear.js","../node_modules/date-fns/eachYearOfInterval.js","../node_modules/date-fns/endOfWeek.js","../node_modules/date-fns/endOfISOWeek.js","../node_modules/date-fns/locale/en-US/_lib/formatDistance.js","../node_modules/date-fns/locale/_lib/buildFormatLongFn.js","../node_modules/date-fns/locale/en-US/_lib/formatLong.js","../node_modules/date-fns/locale/en-US/_lib/formatRelative.js","../node_modules/date-fns/locale/_lib/buildLocalizeFn.js","../node_modules/date-fns/locale/en-US/_lib/localize.js","../node_modules/date-fns/locale/_lib/buildMatchFn.js","../node_modules/date-fns/locale/_lib/buildMatchPatternFn.js","../node_modules/date-fns/locale/en-US/_lib/match.js","../node_modules/date-fns/locale/en-US.js","../node_modules/date-fns/getDayOfYear.js","../node_modules/date-fns/getISOWeek.js","../node_modules/date-fns/getWeekYear.js","../node_modules/date-fns/startOfWeekYear.js","../node_modules/date-fns/getWeek.js","../node_modules/date-fns/_lib/addLeadingZeros.js","../node_modules/date-fns/_lib/format/lightFormatters.js","../node_modules/date-fns/_lib/format/formatters.js","../node_modules/date-fns/_lib/format/longFormatters.js","../node_modules/date-fns/_lib/protectedTokens.js","../node_modules/date-fns/format.js","../node_modules/date-fns/getDaysInMonth.js","../node_modules/date-fns/getMonth.js","../node_modules/date-fns/getYear.js","../node_modules/date-fns/isAfter.js","../node_modules/date-fns/isBefore.js","../node_modules/date-fns/isSameMonth.js","../node_modules/date-fns/isSameYear.js","../node_modules/date-fns/setMonth.js","../node_modules/date-fns/setYear.js","../node_modules/react-day-picker/dist/esm/helpers/getBroadcastWeeksInMonth.js","../node_modules/react-day-picker/dist/esm/helpers/startOfBroadcastWeek.js","../node_modules/react-day-picker/dist/esm/helpers/endOfBroadcastWeek.js","../node_modules/react-day-picker/dist/esm/locale/en-US.js","../node_modules/react-day-picker/dist/esm/classes/DateLib.js","../node_modules/react-day-picker/dist/esm/classes/CalendarDay.js","../node_modules/react-day-picker/dist/esm/classes/CalendarMonth.js","../node_modules/react-day-picker/dist/esm/classes/CalendarWeek.js","../node_modules/react-day-picker/dist/esm/components/CaptionLabel.js","../node_modules/react-day-picker/dist/esm/components/Chevron.js","../node_modules/react-day-picker/dist/esm/components/Day.js","../node_modules/react-day-picker/dist/esm/components/DayButton.js","../node_modules/react-day-picker/dist/esm/UI.js","../node_modules/react-day-picker/dist/esm/useDayPicker.js","../node_modules/react-day-picker/dist/esm/components/Dropdown.js","../node_modules/react-day-picker/dist/esm/components/DropdownNav.js","../node_modules/react-day-picker/dist/esm/components/Footer.js","../node_modules/react-day-picker/dist/esm/components/Month.js","../node_modules/react-day-picker/dist/esm/components/MonthCaption.js","../node_modules/react-day-picker/dist/esm/components/MonthGrid.js","../node_modules/react-day-picker/dist/esm/components/Months.js","../node_modules/react-day-picker/dist/esm/components/MonthsDropdown.js","../node_modules/react-day-picker/dist/esm/components/Nav.js","../node_modules/react-day-picker/dist/esm/components/NextMonthButton.js","../node_modules/react-day-picker/dist/esm/components/Option.js","../node_modules/react-day-picker/dist/esm/components/PreviousMonthButton.js","../node_modules/react-day-picker/dist/esm/components/Root.js","../node_modules/react-day-picker/dist/esm/components/Select.js","../node_modules/react-day-picker/dist/esm/components/Week.js","../node_modules/react-day-picker/dist/esm/components/Weekday.js","../node_modules/react-day-picker/dist/esm/components/Weekdays.js","../node_modules/react-day-picker/dist/esm/components/WeekNumber.js","../node_modules/react-day-picker/dist/esm/components/WeekNumberHeader.js","../node_modules/react-day-picker/dist/esm/components/Weeks.js","../node_modules/react-day-picker/dist/esm/components/YearsDropdown.js","../node_modules/react-day-picker/dist/esm/components/custom-components.js","../node_modules/react-day-picker/dist/esm/utils/rangeIncludesDate.js","../node_modules/react-day-picker/dist/esm/utils/typeguards.js","../node_modules/react-day-picker/dist/esm/utils/dateMatchModifiers.js","../node_modules/react-day-picker/dist/esm/helpers/createGetModifiers.js","../node_modules/react-day-picker/dist/esm/helpers/getClassNamesForModifiers.js","../node_modules/react-day-picker/dist/esm/helpers/getComponents.js","../node_modules/react-day-picker/dist/esm/helpers/getDataAttributes.js","../node_modules/react-day-picker/dist/esm/helpers/getDefaultClassNames.js","../node_modules/react-day-picker/dist/esm/formatters/formatCaption.js","../node_modules/react-day-picker/dist/esm/formatters/formatDay.js","../node_modules/react-day-picker/dist/esm/formatters/formatMonthDropdown.js","../node_modules/react-day-picker/dist/esm/formatters/formatWeekdayName.js","../node_modules/react-day-picker/dist/esm/formatters/formatWeekNumber.js","../node_modules/react-day-picker/dist/esm/formatters/formatWeekNumberHeader.js","../node_modules/react-day-picker/dist/esm/formatters/formatYearDropdown.js","../node_modules/react-day-picker/dist/esm/formatters/index.js","../node_modules/react-day-picker/dist/esm/helpers/getFormatters.js","../node_modules/react-day-picker/dist/esm/labels/labelDayButton.js","../node_modules/react-day-picker/dist/esm/labels/labelGrid.js","../node_modules/react-day-picker/dist/esm/labels/labelGridcell.js","../node_modules/react-day-picker/dist/esm/labels/labelMonthDropdown.js","../node_modules/react-day-picker/dist/esm/labels/labelNav.js","../node_modules/react-day-picker/dist/esm/labels/labelNext.js","../node_modules/react-day-picker/dist/esm/labels/labelPrevious.js","../node_modules/react-day-picker/dist/esm/labels/labelWeekday.js","../node_modules/react-day-picker/dist/esm/labels/labelWeekNumber.js","../node_modules/react-day-picker/dist/esm/labels/labelWeekNumberHeader.js","../node_modules/react-day-picker/dist/esm/labels/labelYearDropdown.js","../node_modules/react-day-picker/dist/esm/labels/index.js","../node_modules/react-day-picker/dist/esm/helpers/getLabels.js","../node_modules/react-day-picker/dist/esm/helpers/getMonthOptions.js","../node_modules/react-day-picker/dist/esm/helpers/getStyleForModifiers.js","../node_modules/react-day-picker/dist/esm/helpers/getWeekdays.js","../node_modules/react-day-picker/dist/esm/helpers/getYearOptions.js","../node_modules/react-day-picker/dist/esm/noonDateLib.js","../node_modules/react-day-picker/dist/esm/useAnimation.js","../node_modules/react-day-picker/dist/esm/helpers/getDates.js","../node_modules/react-day-picker/dist/esm/helpers/getDays.js","../node_modules/react-day-picker/dist/esm/helpers/getDisplayMonths.js","../node_modules/react-day-picker/dist/esm/helpers/getInitialMonth.js","../node_modules/react-day-picker/dist/esm/helpers/getMonths.js","../node_modules/react-day-picker/dist/esm/helpers/getNavMonth.js","../node_modules/react-day-picker/dist/esm/helpers/getNextMonth.js","../node_modules/react-day-picker/dist/esm/helpers/getPreviousMonth.js","../node_modules/react-day-picker/dist/esm/helpers/getWeeks.js","../node_modules/react-day-picker/dist/esm/helpers/useControlledValue.js","../node_modules/react-day-picker/dist/esm/useCalendar.js","../node_modules/react-day-picker/dist/esm/helpers/calculateFocusTarget.js","../node_modules/react-day-picker/dist/esm/helpers/getFocusableDate.js","../node_modules/react-day-picker/dist/esm/helpers/getNextFocus.js","../node_modules/react-day-picker/dist/esm/useFocus.js","../node_modules/react-day-picker/dist/esm/selection/useMulti.js","../node_modules/react-day-picker/dist/esm/utils/addToRange.js","../node_modules/react-day-picker/dist/esm/utils/rangeContainsDayOfWeek.js","../node_modules/react-day-picker/dist/esm/utils/rangeOverlaps.js","../node_modules/react-day-picker/dist/esm/utils/rangeContainsModifiers.js","../node_modules/react-day-picker/dist/esm/selection/useRange.js","../node_modules/react-day-picker/dist/esm/selection/useSingle.js","../node_modules/react-day-picker/dist/esm/useSelection.js","../node_modules/react-day-picker/dist/esm/utils/toTimeZone.js","../node_modules/react-day-picker/dist/esm/utils/convertMatchersToTimeZone.js","../node_modules/react-day-picker/dist/esm/DayPicker.js","../src/components/ui/calendar-card.tsx"],"sourcesContent":["/**\n * Time zone name format.\n */\n\n/**\n * The function returns the time zone name for the given date in the specified\n * time zone.\n *\n * It uses the `Intl.DateTimeFormat` API and by default outputs the time zone\n * name in a long format, e.g. \"Pacific Standard Time\" or\n * \"Singapore Standard Time\".\n *\n * It is possible to specify the format as the third argument using one of the following options\n *\n * - \"short\": e.g. \"EDT\" or \"GMT+8\".\n * - \"long\": e.g. \"Eastern Daylight Time\".\n * - \"shortGeneric\": e.g. \"ET\" or \"Singapore Time\".\n * - \"longGeneric\": e.g. \"Eastern Time\" or \"Singapore Standard Time\".\n *\n * These options correspond to TR35 tokens `z..zzz`, `zzzz`, `v`, and `vvvv` respectively: https://www.unicode.org/reports/tr35/tr35-dates.html#dfst-zone\n *\n * @param timeZone - Time zone name (IANA or UTC offset)\n * @param date - Date object to get the time zone name for\n * @param format - Optional format of the time zone name. Defaults to \"long\". Can be \"short\", \"long\", \"shortGeneric\", or \"longGeneric\".\n *\n * @returns Time zone name (e.g. \"Singapore Standard Time\")\n */\nexport function tzName(timeZone, date, format = \"long\") {\n return new Intl.DateTimeFormat(\"en-US\", {\n // Enforces engine to render the time. Without the option JavaScriptCore omits it.\n hour: \"numeric\",\n timeZone: timeZone,\n timeZoneName: format\n }).format(date).split(/\\s/g) // Format.JS uses non-breaking spaces\n .slice(2) // Skip the hour and AM/PM parts\n .join(\" \");\n}","const offsetFormatCache = {};\nconst offsetCache = {};\n\n/**\n * The function extracts UTC offset in minutes from the given date in specified\n * time zone.\n *\n * Unlike `Date.prototype.getTimezoneOffset`, this function returns the value\n * mirrored to the sign of the offset in the time zone. For Asia/Singapore\n * (UTC+8), `tzOffset` returns 480, while `getTimezoneOffset` returns -480.\n *\n * @param timeZone - Time zone name (IANA or UTC offset)\n * @param date - Date to check the offset for\n *\n * @returns UTC offset in minutes\n */\nexport function tzOffset(timeZone, date) {\n try {\n const format = offsetFormatCache[timeZone] ||= new Intl.DateTimeFormat(\"en-US\", {\n timeZone,\n timeZoneName: \"longOffset\"\n }).format;\n const offsetStr = format(date).split(\"GMT\")[1];\n if (offsetStr in offsetCache) return offsetCache[offsetStr];\n return calcOffset(offsetStr, offsetStr.split(\":\"));\n } catch {\n // Fallback to manual parsing if the runtime doesn't support ±HH:MM/±HHMM/±HH\n // See: https://github.com/nodejs/node/issues/53419\n if (timeZone in offsetCache) return offsetCache[timeZone];\n const captures = timeZone?.match(offsetRe);\n if (captures) return calcOffset(timeZone, captures.slice(1));\n return NaN;\n }\n}\nconst offsetRe = /([+-]\\d\\d):?(\\d\\d)?/;\nfunction calcOffset(cacheStr, values) {\n const hours = +(values[0] || 0);\n const minutes = +(values[1] || 0);\n // Convert seconds to minutes by dividing by 60 to keep the function return in minutes.\n const seconds = +(values[2] || 0) / 60;\n return offsetCache[cacheStr] = hours * 60 + minutes > 0 ? hours * 60 + minutes + seconds : hours * 60 - minutes - seconds;\n}","import { tzOffset } from \"../tzOffset/index.js\";\nexport class TZDateMini extends Date {\n //#region static\n\n constructor(...args) {\n super();\n if (args.length > 1 && typeof args[args.length - 1] === \"string\") {\n this.timeZone = args.pop();\n }\n this.internal = new Date();\n if (isNaN(tzOffset(this.timeZone, this))) {\n this.setTime(NaN);\n } else {\n if (!args.length) {\n this.setTime(Date.now());\n } else if (typeof args[0] === \"number\" && (args.length === 1 || args.length === 2 && typeof args[1] !== \"number\")) {\n this.setTime(args[0]);\n } else if (typeof args[0] === \"string\") {\n this.setTime(+new Date(args[0]));\n } else if (args[0] instanceof Date) {\n this.setTime(+args[0]);\n } else {\n this.setTime(+new Date(...args));\n adjustToSystemTZ(this, NaN);\n syncToInternal(this);\n }\n }\n }\n static tz(tz, ...args) {\n return args.length ? new TZDateMini(...args, tz) : new TZDateMini(Date.now(), tz);\n }\n\n //#endregion\n\n //#region time zone\n\n withTimeZone(timeZone) {\n return new TZDateMini(+this, timeZone);\n }\n getTimezoneOffset() {\n const offset = -tzOffset(this.timeZone, this);\n // Remove the seconds offset\n // use Math.floor for negative GMT timezones and Math.ceil for positive GMT timezones.\n return offset > 0 ? Math.floor(offset) : Math.ceil(offset);\n }\n\n //#endregion\n\n //#region time\n\n setTime(time) {\n Date.prototype.setTime.apply(this, arguments);\n syncToInternal(this);\n return +this;\n }\n\n //#endregion\n\n //#region date-fns integration\n\n [Symbol.for(\"constructDateFrom\")](date) {\n return new TZDateMini(+new Date(date), this.timeZone);\n }\n\n //#endregion\n}\n\n// Assign getters and setters\nconst re = /^(get|set)(?!UTC)/;\nObject.getOwnPropertyNames(Date.prototype).forEach(method => {\n if (!re.test(method)) return;\n const utcMethod = method.replace(re, \"$1UTC\");\n // Filter out methods without UTC counterparts\n if (!TZDateMini.prototype[utcMethod]) return;\n if (method.startsWith(\"get\")) {\n // Delegate to internal date's UTC method\n TZDateMini.prototype[method] = function () {\n return this.internal[utcMethod]();\n };\n } else {\n // Assign regular setter\n TZDateMini.prototype[method] = function () {\n Date.prototype[utcMethod].apply(this.internal, arguments);\n syncFromInternal(this);\n return +this;\n };\n\n // Assign UTC setter\n TZDateMini.prototype[utcMethod] = function () {\n Date.prototype[utcMethod].apply(this, arguments);\n syncToInternal(this);\n return +this;\n };\n }\n});\n\n/**\n * Function syncs time to internal date, applying the time zone offset.\n *\n * @param {Date} date - Date to sync\n */\nfunction syncToInternal(date) {\n date.internal.setTime(+date);\n date.internal.setUTCSeconds(date.internal.getUTCSeconds() - Math.round(-tzOffset(date.timeZone, date) * 60));\n}\n\n/**\n * Function syncs the internal date UTC values to the date. It allows to get\n * accurate timestamp value.\n *\n * @param {Date} date - The date to sync\n */\nfunction syncFromInternal(date) {\n // First we transpose the internal values\n Date.prototype.setFullYear.call(date, date.internal.getUTCFullYear(), date.internal.getUTCMonth(), date.internal.getUTCDate());\n Date.prototype.setHours.call(date, date.internal.getUTCHours(), date.internal.getUTCMinutes(), date.internal.getUTCSeconds(), date.internal.getUTCMilliseconds());\n\n // Now we have to adjust the date to the system time zone\n adjustToSystemTZ(date);\n}\n\n/**\n * Function adjusts the date to the system time zone. It uses the time zone\n * differences to calculate the offset and adjust the date.\n *\n * @param {Date} date - Date to adjust\n */\nfunction adjustToSystemTZ(date) {\n // Save the time zone offset before all the adjustments\n const baseOffset = tzOffset(date.timeZone, date);\n // Remove the seconds offset\n // use Math.floor for negative GMT timezones and Math.ceil for positive GMT timezones.\n const offset = baseOffset > 0 ? Math.floor(baseOffset) : Math.ceil(baseOffset);\n //#region System DST adjustment\n\n // The biggest problem with using the system time zone is that when we create\n // a date from internal values stored in UTC, the system time zone might end\n // up on the DST hour:\n //\n // $ TZ=America/New_York node\n // > new Date(2020, 2, 8, 1).toString()\n // 'Sun Mar 08 2020 01:00:00 GMT-0500 (Eastern Standard Time)'\n // > new Date(2020, 2, 8, 2).toString()\n // 'Sun Mar 08 2020 03:00:00 GMT-0400 (Eastern Daylight Time)'\n // > new Date(2020, 2, 8, 3).toString()\n // 'Sun Mar 08 2020 03:00:00 GMT-0400 (Eastern Daylight Time)'\n // > new Date(2020, 2, 8, 4).toString()\n // 'Sun Mar 08 2020 04:00:00 GMT-0400 (Eastern Daylight Time)'\n //\n // Here we get the same hour for both 2 and 3, because the system time zone\n // has DST beginning at 8 March 2020, 2 a.m. and jumps to 3 a.m. So we have\n // to adjust the internal date to reflect that.\n //\n // However we want to adjust only if that's the DST hour the change happenes,\n // not the hour where DST moves to.\n\n // We calculate the previous hour to see if the time zone offset has changed\n // and we have landed on the DST hour.\n const prevHour = new Date(+date);\n // We use UTC methods here as we don't want to land on the same hour again\n // in case of DST.\n prevHour.setUTCHours(prevHour.getUTCHours() - 1);\n\n // Calculate if we are on the system DST hour.\n const systemOffset = -new Date(+date).getTimezoneOffset();\n const prevHourSystemOffset = -new Date(+prevHour).getTimezoneOffset();\n const systemDSTChange = systemOffset - prevHourSystemOffset;\n // Detect the DST shift. System DST change will occur both on\n const dstShift = Date.prototype.getHours.apply(date) !== date.internal.getUTCHours();\n\n // Move the internal date when we are on the system DST hour.\n if (systemDSTChange && dstShift) date.internal.setUTCMinutes(date.internal.getUTCMinutes() + systemDSTChange);\n\n //#endregion\n\n //#region System diff adjustment\n\n // Now we need to adjust the date, since we just applied internal values.\n // We need to calculate the difference between the system and date time zones\n // and apply it to the date.\n\n const offsetDiff = systemOffset - offset;\n if (offsetDiff) Date.prototype.setUTCMinutes.call(date, Date.prototype.getUTCMinutes.call(date) + offsetDiff);\n\n //#endregion\n\n //#region Seconds System diff adjustment\n\n const systemDate = new Date(+date);\n // Set the UTC seconds to 0 to isolate the timezone offset in seconds.\n systemDate.setUTCSeconds(0);\n // For negative systemOffset, invert the seconds.\n const systemSecondsOffset = systemOffset > 0 ? systemDate.getSeconds() : (systemDate.getSeconds() - 60) % 60;\n\n // Calculate the seconds offset based on the timezone offset.\n const secondsOffset = Math.round(-(tzOffset(date.timeZone, date) * 60)) % 60;\n if (secondsOffset || systemSecondsOffset) {\n date.internal.setUTCSeconds(date.internal.getUTCSeconds() + secondsOffset);\n Date.prototype.setUTCSeconds.call(date, Date.prototype.getUTCSeconds.call(date) + secondsOffset + systemSecondsOffset);\n }\n\n //#endregion\n\n //#region Post-adjustment DST fix\n\n const postBaseOffset = tzOffset(date.timeZone, date);\n // Remove the seconds offset\n // use Math.floor for negative GMT timezones and Math.ceil for positive GMT timezones.\n const postOffset = postBaseOffset > 0 ? Math.floor(postBaseOffset) : Math.ceil(postBaseOffset);\n const postSystemOffset = -new Date(+date).getTimezoneOffset();\n const postOffsetDiff = postSystemOffset - postOffset;\n const offsetChanged = postOffset !== offset;\n const postDiff = postOffsetDiff - offsetDiff;\n if (offsetChanged && postDiff) {\n Date.prototype.setUTCMinutes.call(date, Date.prototype.getUTCMinutes.call(date) + postDiff);\n\n // Now we need to check if got offset change during the post-adjustment.\n // If so, we also need both dates to reflect that.\n\n const newBaseOffset = tzOffset(date.timeZone, date);\n // Remove the seconds offset\n // use Math.floor for negative GMT timezones and Math.ceil for positive GMT timezones.\n const newOffset = newBaseOffset > 0 ? Math.floor(newBaseOffset) : Math.ceil(newBaseOffset);\n const offsetChange = postOffset - newOffset;\n if (offsetChange) {\n date.internal.setUTCMinutes(date.internal.getUTCMinutes() + offsetChange);\n Date.prototype.setUTCMinutes.call(date, Date.prototype.getUTCMinutes.call(date) + offsetChange);\n }\n }\n\n //#endregion\n}","import { tzName } from \"../tzName/index.js\";\nimport { TZDateMini } from \"./mini.js\";\nexport class TZDate extends TZDateMini {\n //#region static\n\n static tz(tz, ...args) {\n return args.length ? new TZDate(...args, tz) : new TZDate(Date.now(), tz);\n }\n\n //#endregion\n\n //#region representation\n\n toISOString() {\n const [sign, hours, minutes] = this.tzComponents();\n const tz = `${sign}${hours}:${minutes}`;\n return this.internal.toISOString().slice(0, -1) + tz;\n }\n toString() {\n // \"Tue Aug 13 2024 07:50:19 GMT+0800 (Singapore Standard Time)\";\n return `${this.toDateString()} ${this.toTimeString()}`;\n }\n toDateString() {\n // toUTCString returns RFC 7231 (\"Mon, 12 Aug 2024 23:36:08 GMT\")\n const [day, date, month, year] = this.internal.toUTCString().split(\" \");\n // \"Tue Aug 13 2024\"\n return `${day?.slice(0, -1) /* Remove \",\" */} ${month} ${date} ${year}`;\n }\n toTimeString() {\n // toUTCString returns RFC 7231 (\"Mon, 12 Aug 2024 23:36:08 GMT\")\n const time = this.internal.toUTCString().split(\" \")[4];\n const [sign, hours, minutes] = this.tzComponents();\n // \"07:42:23 GMT+0800 (Singapore Standard Time)\"\n return `${time} GMT${sign}${hours}${minutes} (${tzName(this.timeZone, this)})`;\n }\n toLocaleString(locales, options) {\n return Date.prototype.toLocaleString.call(this, locales, {\n ...options,\n timeZone: options?.timeZone || this.timeZone\n });\n }\n toLocaleDateString(locales, options) {\n return Date.prototype.toLocaleDateString.call(this, locales, {\n ...options,\n timeZone: options?.timeZone || this.timeZone\n });\n }\n toLocaleTimeString(locales, options) {\n return Date.prototype.toLocaleTimeString.call(this, locales, {\n ...options,\n timeZone: options?.timeZone || this.timeZone\n });\n }\n\n //#endregion\n\n //#region private\n\n tzComponents() {\n const offset = this.getTimezoneOffset();\n const sign = offset > 0 ? \"-\" : \"+\";\n const hours = String(Math.floor(Math.abs(offset) / 60)).padStart(2, \"0\");\n const minutes = String(Math.abs(offset) % 60).padStart(2, \"0\");\n return [sign, hours, minutes];\n }\n\n //#endregion\n\n withTimeZone(timeZone) {\n return new TZDate(+this, timeZone);\n }\n\n //#region date-fns integration\n\n [Symbol.for(\"constructDateFrom\")](date) {\n return new TZDate(+new Date(date), this.timeZone);\n }\n\n //#endregion\n}","/**\n * @module constants\n * @summary Useful constants\n * @description\n * Collection of useful date constants.\n *\n * The constants could be imported from `date-fns/constants`:\n *\n * ```ts\n * import { maxTime, minTime } from \"./constants/date-fns/constants\";\n *\n * function isAllowedTime(time) {\n * return time <= maxTime && time >= minTime;\n * }\n * ```\n */\n\n/**\n * @constant\n * @name daysInWeek\n * @summary Days in 1 week.\n */\nexport const daysInWeek = 7;\n\n/**\n * @constant\n * @name daysInYear\n * @summary Days in 1 year.\n *\n * @description\n * How many days in a year.\n *\n * One years equals 365.2425 days according to the formula:\n *\n * > Leap year occurs every 4 years, except for years that are divisible by 100 and not divisible by 400.\n * > 1 mean year = (365+1/4-1/100+1/400) days = 365.2425 days\n */\nexport const daysInYear = 365.2425;\n\n/**\n * @constant\n * @name maxTime\n * @summary Maximum allowed time.\n *\n * @example\n * import { maxTime } from \"./constants/date-fns/constants\";\n *\n * const isValid = 8640000000000001 <= maxTime;\n * //=> false\n *\n * new Date(8640000000000001);\n * //=> Invalid Date\n */\nexport const maxTime = Math.pow(10, 8) * 24 * 60 * 60 * 1000;\n\n/**\n * @constant\n * @name minTime\n * @summary Minimum allowed time.\n *\n * @example\n * import { minTime } from \"./constants/date-fns/constants\";\n *\n * const isValid = -8640000000000001 >= minTime;\n * //=> false\n *\n * new Date(-8640000000000001)\n * //=> Invalid Date\n */\nexport const minTime = -maxTime;\n\n/**\n * @constant\n * @name millisecondsInWeek\n * @summary Milliseconds in 1 week.\n */\nexport const millisecondsInWeek = 604800000;\n\n/**\n * @constant\n * @name millisecondsInDay\n * @summary Milliseconds in 1 day.\n */\nexport const millisecondsInDay = 86400000;\n\n/**\n * @constant\n * @name millisecondsInMinute\n * @summary Milliseconds in 1 minute\n */\nexport const millisecondsInMinute = 60000;\n\n/**\n * @constant\n * @name millisecondsInHour\n * @summary Milliseconds in 1 hour\n */\nexport const millisecondsInHour = 3600000;\n\n/**\n * @constant\n * @name millisecondsInSecond\n * @summary Milliseconds in 1 second\n */\nexport const millisecondsInSecond = 1000;\n\n/**\n * @constant\n * @name minutesInYear\n * @summary Minutes in 1 year.\n */\nexport const minutesInYear = 525600;\n\n/**\n * @constant\n * @name minutesInMonth\n * @summary Minutes in 1 month.\n */\nexport const minutesInMonth = 43200;\n\n/**\n * @constant\n * @name minutesInDay\n * @summary Minutes in 1 day.\n */\nexport const minutesInDay = 1440;\n\n/**\n * @constant\n * @name minutesInHour\n * @summary Minutes in 1 hour.\n */\nexport const minutesInHour = 60;\n\n/**\n * @constant\n * @name monthsInQuarter\n * @summary Months in 1 quarter.\n */\nexport const monthsInQuarter = 3;\n\n/**\n * @constant\n * @name monthsInYear\n * @summary Months in 1 year.\n */\nexport const monthsInYear = 12;\n\n/**\n * @constant\n * @name quartersInYear\n * @summary Quarters in 1 year\n */\nexport const quartersInYear = 4;\n\n/**\n * @constant\n * @name secondsInHour\n * @summary Seconds in 1 hour.\n */\nexport const secondsInHour = 3600;\n\n/**\n * @constant\n * @name secondsInMinute\n * @summary Seconds in 1 minute.\n */\nexport const secondsInMinute = 60;\n\n/**\n * @constant\n * @name secondsInDay\n * @summary Seconds in 1 day.\n */\nexport const secondsInDay = secondsInHour * 24;\n\n/**\n * @constant\n * @name secondsInWeek\n * @summary Seconds in 1 week.\n */\nexport const secondsInWeek = secondsInDay * 7;\n\n/**\n * @constant\n * @name secondsInYear\n * @summary Seconds in 1 year.\n */\nexport const secondsInYear = secondsInDay * daysInYear;\n\n/**\n * @constant\n * @name secondsInMonth\n * @summary Seconds in 1 month\n */\nexport const secondsInMonth = secondsInYear / 12;\n\n/**\n * @constant\n * @name secondsInQuarter\n * @summary Seconds in 1 quarter.\n */\nexport const secondsInQuarter = secondsInMonth * 3;\n\n/**\n * @constant\n * @name constructFromSymbol\n * @summary Symbol enabling Date extensions to inherit properties from the reference date.\n *\n * The symbol is used to enable the `constructFrom` function to construct a date\n * using a reference date and a value. It allows to transfer extra properties\n * from the reference date to the new date. It's useful for extensions like\n * [`TZDate`](https://github.com/date-fns/tz) that accept a time zone as\n * a constructor argument.\n */\nexport const constructFromSymbol = Symbol.for(\"constructDateFrom\");\n","import { constructFromSymbol } from \"./constants.js\";\n\n/**\n * @name constructFrom\n * @category Generic Helpers\n * @summary Constructs a date using the reference date and the value\n *\n * @description\n * The function constructs a new date using the constructor from the reference\n * date and the given value. It helps to build generic functions that accept\n * date extensions.\n *\n * It defaults to `Date` if the passed reference date is a number or a string.\n *\n * Starting from v3.7.0, it allows to construct a date using `[Symbol.for(\"constructDateFrom\")]`\n * enabling to transfer extra properties from the reference date to the new date.\n * It's useful for extensions like [`TZDate`](https://github.com/date-fns/tz)\n * that accept a time zone as a constructor argument.\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n *\n * @param date - The reference date to take constructor from\n * @param value - The value to create the date\n *\n * @returns Date initialized using the given date and value\n *\n * @example\n * import { constructFrom } from \"./constructFrom/date-fns\";\n *\n * // A function that clones a date preserving the original type\n * function cloneDate<DateType extends Date>(date: DateType): DateType {\n * return constructFrom(\n * date, // Use constructor from the given date\n * date.getTime() // Use the date value to create a new date\n * );\n * }\n */\nexport function constructFrom(date, value) {\n if (typeof date === \"function\") return date(value);\n\n if (date && typeof date === \"object\" && constructFromSymbol in date)\n return date[constructFromSymbol](value);\n\n if (date instanceof Date) return new date.constructor(value);\n\n return new Date(value);\n}\n\n// Fallback for modularized imports:\nexport default constructFrom;\n","import { constructFrom } from \"./constructFrom.js\";\n\n/**\n * @name toDate\n * @category Common Helpers\n * @summary Convert the given argument to an instance of Date.\n *\n * @description\n * Convert the given argument to an instance of Date.\n *\n * If the argument is an instance of Date, the function returns its clone.\n *\n * If the argument is a number, it is treated as a timestamp.\n *\n * If the argument is none of the above, the function returns Invalid Date.\n *\n * Starting from v3.7.0, it clones a date using `[Symbol.for(\"constructDateFrom\")]`\n * enabling to transfer extra properties from the reference date to the new date.\n * It's useful for extensions like [`TZDate`](https://github.com/date-fns/tz)\n * that accept a time zone as a constructor argument.\n *\n * **Note**: *all* Date arguments passed to any *date-fns* function is processed by `toDate`.\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param argument - The value to convert\n *\n * @returns The parsed date in the local time zone\n *\n * @example\n * // Clone the date:\n * const result = toDate(new Date(2014, 1, 11, 11, 30, 30))\n * //=> Tue Feb 11 2014 11:30:30\n *\n * @example\n * // Convert the timestamp to date:\n * const result = toDate(1392098430000)\n * //=> Tue Feb 11 2014 11:30:30\n */\nexport function toDate(argument, context) {\n // [TODO] Get rid of `toDate` or `constructFrom`?\n return constructFrom(context || argument, argument);\n}\n\n// Fallback for modularized imports:\nexport default toDate;\n","import { constructFrom } from \"./constructFrom.js\";\nimport { toDate } from \"./toDate.js\";\n\n/**\n * The {@link addDays} function options.\n */\n\n/**\n * @name addDays\n * @category Day Helpers\n * @summary Add the specified number of days to the given date.\n *\n * @description\n * Add the specified number of days to the given date.\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The date to be changed\n * @param amount - The amount of days to be added.\n * @param options - An object with options\n *\n * @returns The new date with the days added\n *\n * @example\n * // Add 10 days to 1 September 2014:\n * const result = addDays(new Date(2014, 8, 1), 10)\n * //=> Thu Sep 11 2014 00:00:00\n */\nexport function addDays(date, amount, options) {\n const _date = toDate(date, options?.in);\n if (isNaN(amount)) return constructFrom(options?.in || date, NaN);\n\n // If 0 days, no-op to avoid changing times in the hour before end of DST\n if (!amount) return _date;\n\n _date.setDate(_date.getDate() + amount);\n return _date;\n}\n\n// Fallback for modularized imports:\nexport default addDays;\n","import { constructFrom } from \"./constructFrom.js\";\nimport { toDate } from \"./toDate.js\";\n\n/**\n * The {@link addMonths} function options.\n */\n\n/**\n * @name addMonths\n * @category Month Helpers\n * @summary Add the specified number of months to the given date.\n *\n * @description\n * Add the specified number of months to the given date.\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The date to be changed\n * @param amount - The amount of months to be added.\n * @param options - The options object\n *\n * @returns The new date with the months added\n *\n * @example\n * // Add 5 months to 1 September 2014:\n * const result = addMonths(new Date(2014, 8, 1), 5)\n * //=> Sun Feb 01 2015 00:00:00\n *\n * // Add one month to 30 January 2023:\n * const result = addMonths(new Date(2023, 0, 30), 1)\n * //=> Tue Feb 28 2023 00:00:00\n */\nexport function addMonths(date, amount, options) {\n const _date = toDate(date, options?.in);\n if (isNaN(amount)) return constructFrom(options?.in || date, NaN);\n if (!amount) {\n // If 0 months, no-op to avoid changing times in the hour before end of DST\n return _date;\n }\n const dayOfMonth = _date.getDate();\n\n // The JS Date object supports date math by accepting out-of-bounds values for\n // month, day, etc. For example, new Date(2020, 0, 0) returns 31 Dec 2019 and\n // new Date(2020, 13, 1) returns 1 Feb 2021. This is *almost* the behavior we\n // want except that dates will wrap around the end of a month, meaning that\n // new Date(2020, 13, 31) will return 3 Mar 2021 not 28 Feb 2021 as desired. So\n // we'll default to the end of the desired month by adding 1 to the desired\n // month and using a date of 0 to back up one day to the end of the desired\n // month.\n const endOfDesiredMonth = constructFrom(options?.in || date, _date.getTime());\n endOfDesiredMonth.setMonth(_date.getMonth() + amount + 1, 0);\n const daysInMonth = endOfDesiredMonth.getDate();\n if (dayOfMonth >= daysInMonth) {\n // If we're already at the end of the month, then this is the correct date\n // and we're done.\n return endOfDesiredMonth;\n } else {\n // Otherwise, we now know that setting the original day-of-month value won't\n // cause an overflow, so set the desired day-of-month. Note that we can't\n // just set the date of `endOfDesiredMonth` because that object may have had\n // its time changed in the unusual case where where a DST transition was on\n // the last day of the month and its local time was in the hour skipped or\n // repeated next to a DST transition. So we use `date` instead which is\n // guaranteed to still have the original time.\n _date.setFullYear(\n endOfDesiredMonth.getFullYear(),\n endOfDesiredMonth.getMonth(),\n dayOfMonth,\n );\n return _date;\n }\n}\n\n// Fallback for modularized imports:\nexport default addMonths;\n","let defaultOptions = {};\n\nexport function getDefaultOptions() {\n return defaultOptions;\n}\n\nexport function setDefaultOptions(newOptions) {\n defaultOptions = newOptions;\n}\n","import { getDefaultOptions } from \"./_lib/defaultOptions.js\";\nimport { toDate } from \"./toDate.js\";\n\n/**\n * The {@link startOfWeek} function options.\n */\n\n/**\n * @name startOfWeek\n * @category Week Helpers\n * @summary Return the start of a week for the given date.\n *\n * @description\n * Return the start of a week for the given date.\n * The result will be in the local timezone.\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - An object with options\n *\n * @returns The start of a week\n *\n * @example\n * // The start of a week for 2 September 2014 11:55:00:\n * const result = startOfWeek(new Date(2014, 8, 2, 11, 55, 0))\n * //=> Sun Aug 31 2014 00:00:00\n *\n * @example\n * // If the week starts on Monday, the start of the week for 2 September 2014 11:55:00:\n * const result = startOfWeek(new Date(2014, 8, 2, 11, 55, 0), { weekStartsOn: 1 })\n * //=> Mon Sep 01 2014 00:00:00\n */\nexport function startOfWeek(date, options) {\n const defaultOptions = getDefaultOptions();\n const weekStartsOn =\n options?.weekStartsOn ??\n options?.locale?.options?.weekStartsOn ??\n defaultOptions.weekStartsOn ??\n defaultOptions.locale?.options?.weekStartsOn ??\n 0;\n\n const _date = toDate(date, options?.in);\n const day = _date.getDay();\n const diff = (day < weekStartsOn ? 7 : 0) + day - weekStartsOn;\n\n _date.setDate(_date.getDate() - diff);\n _date.setHours(0, 0, 0, 0);\n return _date;\n}\n\n// Fallback for modularized imports:\nexport default startOfWeek;\n","import { startOfWeek } from \"./startOfWeek.js\";\n\n/**\n * The {@link startOfISOWeek} function options.\n */\n\n/**\n * @name startOfISOWeek\n * @category ISO Week Helpers\n * @summary Return the start of an ISO week for the given date.\n *\n * @description\n * Return the start of an ISO week for the given date.\n * The result will be in the local timezone.\n *\n * ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - An object with options\n *\n * @returns The start of an ISO week\n *\n * @example\n * // The start of an ISO week for 2 September 2014 11:55:00:\n * const result = startOfISOWeek(new Date(2014, 8, 2, 11, 55, 0))\n * //=> Mon Sep 01 2014 00:00:00\n */\nexport function startOfISOWeek(date, options) {\n return startOfWeek(date, { ...options, weekStartsOn: 1 });\n}\n\n// Fallback for modularized imports:\nexport default startOfISOWeek;\n","import { constructFrom } from \"./constructFrom.js\";\nimport { startOfISOWeek } from \"./startOfISOWeek.js\";\nimport { toDate } from \"./toDate.js\";\n\n/**\n * The {@link getISOWeekYear} function options.\n */\n\n/**\n * @name getISOWeekYear\n * @category ISO Week-Numbering Year Helpers\n * @summary Get the ISO week-numbering year of the given date.\n *\n * @description\n * Get the ISO week-numbering year of the given date,\n * which always starts 3 days before the year's first Thursday.\n *\n * ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date\n *\n * @param date - The given date\n *\n * @returns The ISO week-numbering year\n *\n * @example\n * // Which ISO-week numbering year is 2 January 2005?\n * const result = getISOWeekYear(new Date(2005, 0, 2))\n * //=> 2004\n */\nexport function getISOWeekYear(date, options) {\n const _date = toDate(date, options?.in);\n const year = _date.getFullYear();\n\n const fourthOfJanuaryOfNextYear = constructFrom(_date, 0);\n fourthOfJanuaryOfNextYear.setFullYear(year + 1, 0, 4);\n fourthOfJanuaryOfNextYear.setHours(0, 0, 0, 0);\n const startOfNextYear = startOfISOWeek(fourthOfJanuaryOfNextYear);\n\n const fourthOfJanuaryOfThisYear = constructFrom(_date, 0);\n fourthOfJanuaryOfThisYear.setFullYear(year, 0, 4);\n fourthOfJanuaryOfThisYear.setHours(0, 0, 0, 0);\n const startOfThisYear = startOfISOWeek(fourthOfJanuaryOfThisYear);\n\n if (_date.getTime() >= startOfNextYear.getTime()) {\n return year + 1;\n } else if (_date.getTime() >= startOfThisYear.getTime()) {\n return year;\n } else {\n return year - 1;\n }\n}\n\n// Fallback for modularized imports:\nexport default getISOWeekYear;\n","import { toDate } from \"../toDate.js\";\n\n/**\n * Google Chrome as of 67.0.3396.87 introduced timezones with offset that includes seconds.\n * They usually appear for dates that denote time before the timezones were introduced\n * (e.g. for 'Europe/Prague' timezone the offset is GMT+00:57:44 before 1 October 1891\n * and GMT+01:00:00 after that date)\n *\n * Date#getTimezoneOffset returns the offset in minutes and would return 57 for the example above,\n * which would lead to incorrect calculations.\n *\n * This function returns the timezone offset in milliseconds that takes seconds in account.\n */\nexport function getTimezoneOffsetInMilliseconds(date) {\n const _date = toDate(date);\n const utcDate = new Date(\n Date.UTC(\n _date.getFullYear(),\n _date.getMonth(),\n _date.getDate(),\n _date.getHours(),\n _date.getMinutes(),\n _date.getSeconds(),\n _date.getMilliseconds(),\n ),\n );\n utcDate.setUTCFullYear(_date.getFullYear());\n return +date - +utcDate;\n}\n","import { constructFrom } from \"../constructFrom.js\";\n\nexport function normalizeDates(context, ...dates) {\n const normalize = constructFrom.bind(\n null,\n context || dates.find((date) => typeof date === \"object\"),\n );\n return dates.map(normalize);\n}\n","import { toDate } from \"./toDate.js\";\n\n/**\n * The {@link startOfDay} function options.\n */\n\n/**\n * @name startOfDay\n * @category Day Helpers\n * @summary Return the start of a day for the given date.\n *\n * @description\n * Return the start of a day for the given date.\n * The result will be in the local timezone.\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - The options\n *\n * @returns The start of a day\n *\n * @example\n * // The start of a day for 2 September 2014 11:55:00:\n * const result = startOfDay(new Date(2014, 8, 2, 11, 55, 0))\n * //=> Tue Sep 02 2014 00:00:00\n */\nexport function startOfDay(date, options) {\n const _date = toDate(date, options?.in);\n _date.setHours(0, 0, 0, 0);\n return _date;\n}\n\n// Fallback for modularized imports:\nexport default startOfDay;\n","import { getTimezoneOffsetInMilliseconds } from \"./_lib/getTimezoneOffsetInMilliseconds.js\";\nimport { normalizeDates } from \"./_lib/normalizeDates.js\";\nimport { millisecondsInDay } from \"./constants.js\";\nimport { startOfDay } from \"./startOfDay.js\";\n\n/**\n * The {@link differenceInCalendarDays} function options.\n */\n\n/**\n * @name differenceInCalendarDays\n * @category Day Helpers\n * @summary Get the number of calendar days between the given dates.\n *\n * @description\n * Get the number of calendar days between the given dates. This means that the times are removed\n * from the dates and then the difference in days is calculated.\n *\n * @param laterDate - The later date\n * @param earlierDate - The earlier date\n * @param options - The options object\n *\n * @returns The number of calendar days\n *\n * @example\n * // How many calendar days are between\n * // 2 July 2011 23:00:00 and 2 July 2012 00:00:00?\n * const result = differenceInCalendarDays(\n * new Date(2012, 6, 2, 0, 0),\n * new Date(2011, 6, 2, 23, 0)\n * )\n * //=> 366\n * // How many calendar days are between\n * // 2 July 2011 23:59:00 and 3 July 2011 00:01:00?\n * const result = differenceInCalendarDays(\n * new Date(2011, 6, 3, 0, 1),\n * new Date(2011, 6, 2, 23, 59)\n * )\n * //=> 1\n */\nexport function differenceInCalendarDays(laterDate, earlierDate, options) {\n const [laterDate_, earlierDate_] = normalizeDates(\n options?.in,\n laterDate,\n earlierDate,\n );\n\n const laterStartOfDay = startOfDay(laterDate_);\n const earlierStartOfDay = startOfDay(earlierDate_);\n\n const laterTimestamp =\n +laterStartOfDay - getTimezoneOffsetInMilliseconds(laterStartOfDay);\n const earlierTimestamp =\n +earlierStartOfDay - getTimezoneOffsetInMilliseconds(earlierStartOfDay);\n\n // Round the number of days to the nearest integer because the number of\n // milliseconds in a day is not constant (e.g. it's different in the week of\n // the daylight saving time clock shift).\n return Math.round((laterTimestamp - earlierTimestamp) / millisecondsInDay);\n}\n\n// Fallback for modularized imports:\nexport default differenceInCalendarDays;\n","import { constructFrom } from \"./constructFrom.js\";\nimport { getISOWeekYear } from \"./getISOWeekYear.js\";\nimport { startOfISOWeek } from \"./startOfISOWeek.js\";\n\n/**\n * The {@link startOfISOWeekYear} function options.\n */\n\n/**\n * @name startOfISOWeekYear\n * @category ISO Week-Numbering Year Helpers\n * @summary Return the start of an ISO week-numbering year for the given date.\n *\n * @description\n * Return the start of an ISO week-numbering year,\n * which always starts 3 days before the year's first Thursday.\n * The result will be in the local timezone.\n *\n * ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - An object with options\n *\n * @returns The start of an ISO week-numbering year\n *\n * @example\n * // The start of an ISO week-numbering year for 2 July 2005:\n * const result = startOfISOWeekYear(new Date(2005, 6, 2))\n * //=> Mon Jan 03 2005 00:00:00\n */\nexport function startOfISOWeekYear(date, options) {\n const year = getISOWeekYear(date, options);\n const fourthOfJanuary = constructFrom(options?.in || date, 0);\n fourthOfJanuary.setFullYear(year, 0, 4);\n fourthOfJanuary.setHours(0, 0, 0, 0);\n return startOfISOWeek(fourthOfJanuary);\n}\n\n// Fallback for modularized imports:\nexport default startOfISOWeekYear;\n","import { addDays } from \"./addDays.js\";\n\n/**\n * The {@link addWeeks} function options.\n */\n\n/**\n * @name addWeeks\n * @category Week Helpers\n * @summary Add the specified number of weeks to the given date.\n *\n * @description\n * Add the specified number of weeks to the given date.\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context functi