@tubular/time/dist/fesm2015/calendar.d.ts

Date/time, IANA timezones, leap seconds, TAI/UTC conversions, calendar with settable Julian/Gregorian switchover

import { DateAndTime, YMDDate } from './common';
export declare enum CalendarType {
    PURE_GREGORIAN = 0,
    PURE_JULIAN = 1
}
export declare const GREGORIAN_CHANGE_MIN_YEAR = 300;
export declare const GREGORIAN_CHANGE_MAX_YEAR = 3900;
export declare const SUNDAY = 0;
export declare const MONDAY = 1;
export declare const TUESDAY = 2;
export declare const WEDNESDAY = 3;
export declare const THURSDAY = 4;
export declare const FRIDAY = 5;
export declare const SATURDAY = 6;
export declare enum DayOfWeek {
    SUNDAY = 0,
    MONDAY = 1,
    TUESDAY = 2,
    WEDNESDAY = 3,
    THURSDAY = 4,
    FRIDAY = 5,
    SATURDAY = 6
}
export declare enum Month {
    JANUARY = 1,
    FEBRUARY = 2,
    MARCH = 3,
    APRIL = 4,
    MAY = 5,
    JUNE = 6,
    JULY = 7,
    AUGUST = 8,
    SEPTEMBER = 9,
    OCTOBER = 10,
    NOVEMBER = 11,
    DECEMBER = 12
}
/**
 * Constant for indicating the last occurrence of a particular day of the week (e.g. the last Tuesday) of a given month.
 */
export declare const LAST = 6;
/**
 * Type allowing a year alone to be specified, a full date as a [[YMDDate]], or a full date as a numeric array in the
 * form [year, month, date].
 */
export declare type YearOrDate = number | YMDDate | number[];
/**
 * Type for specifying the date when a calendar switches from Julian to Gregorian, or if the calendar is purely Julian
 * or purely Gregorian. As a string, the letters 'J' or 'G' can be used.
 */
export declare type GregorianChange = YMDDate | CalendarType | string | number[];
/** @hidden */
export declare function isGregorianType(obj: any): obj is GregorianChange;
/** @hidden */
export declare function handleVariableDateArgs(yearOrDate: YearOrDate, month?: number, day?: number, calendar?: Calendar | 'g' | 'j', ignoreJ?: boolean): number[];
/**
 * Determine if a given date falls during the Julian calendar or the Gregorian calendar, given the standard
 * Gregorian change date of 1582-10-15.
 *
 * @param {YearOrDate} yearOrDate
 * @param {number} month
 * @param {number} day
 * @returns True if the date is Julian.
 */
export declare function isJulianCalendarDate_SGC(yearOrDate: YearOrDate, month?: number, day?: number): boolean;
/**
 * Gets the day number for the given date, relative to 1970-01-01, using the standard Gregorian change date 1582-10-15.
 * @param yearOrDate
 * @param month
 * @param day
 * @returns Day number.
 */
export declare function getDayNumber_SGC(yearOrDate: YearOrDate, month?: number, day?: number): number;
/**
 * Gets the day number for the given Gregorian calendar date, relative to 1970-01-01.
 * @param yearOrDate
 * @param month
 * @param day
 * @returns Day number.
 */
export declare function getDayNumberGregorian(yearOrDate: YearOrDate, month?: number, day?: number): number;
/**
 * Gets the day number for the given Julian calendar date, relative to 1970-01-01 Gregorian.
 * @param yearOrDate
 * @param month
 * @param day
 * @returns Day number.
 */
export declare function getDayNumberJulian(yearOrDate: YearOrDate, month?: number, day?: number): number;
/**
 * Always returns 1. This function exists only to parallel getFirstDateInMonth, which isn't always 1 when the
 * Gregorian change date is not fixed.
 * @returns First date of calendar month.
 */
export declare function getFirstDateInMonth_SGC(year: number, month: number): number;
/**
 * The last date of the given calendar month, using the standard Gregorian change date 1582-10-15, e.g. 31 for
 * any January, 28 for non-leap-year February, 29 for leap-year February, etc.
 * @param year
 * @param month
 * @returns Last date of calendar month.
 */
export declare function getLastDateInMonth_SGC(year: number, month: number): number;
/**
 * The last date of the given Gregorian calendar month.
 * @param year
 * @param month
 * @returns Last date of calendar month.
 */
export declare function getLastDateInMonthGregorian(year: number, month: number): number;
/**
 * The last date of the given Gregorian calendar month.
 * @param year
 * @param month
 * @returns Last date of calendar month.
 */
export declare function getLastDateInMonthJulian(year: number, month: number): number;
/**
 * Returns the number of days in the given calendar month. Since this
 * function is for the standard Gregorian change date of 1582-10-15,
 * it returns 21 for 1582/10, otherwise it returns the same value as
 * [[getLastDateInMonth_SGC]].
 * @param year
 * @param month
 * @returns Total number of days in the given month.
 */
export declare function getDaysInMonth_SGC(year: number, month: number): number;
/**
 * This typically returns 365, or 366 for a leap year, but for the year
 * 1582 it returns 355.
 * @param year
 * @returns Total number of days in the given year.
 */
export declare function getDaysInYear_SGC(year: number): number;
/**
 * Get day of week for a given 1970-01-01-based day number.
 * @param dayNum 1970-01-01-based day number.
 * @return Day of week as 0-6: 0 for Sunday, 1 for Monday... 6 for Saturday.
 */
export declare function getDayOfWeek(dayNum: number): number;
/**
 * Get day of week for a given date, assuming standard Gregorian change.
 * @param yearOrDateOrDayNum 1970-01-01-based day number (month and date must be left undefined) - OR -
 *                           YMDDate form y/m/d - OR - [y, m, d].
 * @param month
 * @param day
 * @return Day of week as 0-6: 0 for Sunday, 1 for Monday... 6 for Saturday.
 */
export declare function getDayOfWeek_SGC(yearOrDateOrDayNum: YearOrDate, month?: number, day?: number): number;
/**
 * Get the date of the index-th day of the week of a given month, e.g. the date of the
 * first Wednesday or the third Monday or the last Friday of the month.
 * @param year Year.
 * @param month Month.
 * @param dayOfTheWeek The day of the week (e.g. 0 for Sunday, 2 for Tuesday, 6 for Saturday) for
 *                     which you wish to find the date.
 * @param index A value of 1-5, or LAST (6), for the occurrence of the specified day of the week.
 * @return 0 if the described day does not exist (e.g. there is no fifth Monday in the given month) or
 *         the date of the specified day.
 */
export declare function getDateOfNthWeekdayOfMonth_SGC(year: number, month: number, dayOfTheWeek: number, index: number): number;
export declare function getDayOfWeekInMonthCount_SGC(year: number, month: number, dayOfTheWeek: number): number;
export declare function getDayOnOrAfter_SGC(year: number, month: number, dayOfTheWeek: number, minDate: number): number;
export declare function getDayOnOrBefore_SGC(year: number, month: number, dayOfTheWeek: number, maxDate: number): number;
export declare function addDaysToDate_SGC(deltaDays: number, yearOrDate: YearOrDate, month?: number, day?: number): YMDDate;
export declare function getDateFromDayNumber_SGC(dayNum: number): YMDDate;
export declare function getDateFromDayNumberGregorian(dayNum: number): YMDDate;
export declare function getDateFromDayNumberJulian(dayNum: number): YMDDate;
export declare function millisFromDateTime_SGC(year: number, month: number, day: number, hour: number, minute: number, second?: number, millis?: number): number;
export declare function dateAndTimeFromMillis_SGC(ticks: number): DateAndTime;
export declare function isValidDate_SGC(yearOrDate: YearOrDate, month?: number, day?: number): boolean;
export declare function isValidDateGregorian(yearOrDate: YearOrDate, month?: number, day?: number): boolean;
export declare function isValidDateJulian(yearOrDate: YearOrDate, month?: number, day?: number): boolean;
export declare function getISOFormatDate(yearOrDate: YearOrDate, month?: number, day?: number): string;
export declare function parseISODate(date: string): YMDDate;
export declare class Calendar {
    private gcYear;
    private gcMonth;
    private gcDate;
    private firstGregorianDay;
    private firstDateInGCChangeMonth;
    private lengthOfGCChangeMonth;
    private lastJulianYear;
    private lastJulianMonth;
    private lastJulianDate;
    protected _locked: boolean;
    constructor(gcYearOrDateOrType?: YearOrDate | CalendarType | string, gcMonth?: number, gcDate?: number);
    lock: () => this;
    protected _lock(doLock?: boolean): this;
    get locked(): boolean;
    setPureGregorian(pureGregorian: boolean): this;
    isPureGregorian(): boolean;
    setPureJulian(pureJulian: boolean): this;
    isPureJulian(): boolean;
    setGregorianChange(gcYearOrDate: YearOrDate | string, gcMonth?: number, gcDate?: number): this;
    getGregorianChange(): YMDDate;
    isJulianCalendarDate(yearOrDate: YearOrDate, month?: number, day?: number): boolean;
    getDayNumber(yearOrDate: YearOrDate, month?: number, day?: number): number;
    protected computeWeekValues: number;
    /** @hidden */
    getDateFromDayNumber(dayNum: number, startingDayOfWeek?: number, minDaysInCalendarYear?: number): YMDDate;
    getFirstDateInMonth(year: number, month: number): number;
    getLastDateInMonth(year: number, month: number): number;
    getDaysInMonth(year: number, month: number): number;
    getDaysInYear(year: number): number;
    getDayOfWeek(yearOrDateOrDayNum: YearOrDate, month?: number, day?: number): number;
    /**
     * @description Get the date of the index-th day of the week of a given month, e.g. the date of the
     * first Wednesday or the third Monday or the last Friday of the month.
     *
     * @param {number} year - Year.
     * @param {number} month - Month.
     * @param {number} dayOfTheWeek - The day of the week (e.g. 0 for Sunday, 2 for Tuesday, 6 for Saturday) for
     *                                which you wish to find the date.
     * @param {number} index - A value of 1-5, or LAST (6), for the occurrence of the specified day of the week.
     *
     * @return {number} 0 if the described day does not exist (e.g. there is no fifth Monday in the given month) or
     *                  the date of the specified day.
     */
    getDateOfNthWeekdayOfMonth(year: number, month: number, dayOfTheWeek: number, index: number): number;
    getDayOfWeekInMonthCount(year: number, month: number, dayOfTheWeek: number): number;
    getDayOfWeekInMonthIndex(yearOrDate: YearOrDate, month?: number, day?: number): number;
    getDayOnOrAfter(year: number, month: number, dayOfTheWeek: number, minDate: number): number;
    getDayOnOrBefore(year: number, month: number, dayOfTheWeek: number, maxDate: number): number;
    addDaysToDate(deltaDays: number, yearOrDate: YearOrDate, month?: number, day?: number): YMDDate;
    getCalendarMonth(year: number, month: number, startingDayOfWeek?: number): YMDDate[];
    isValidDate(year: number, month: number, day: number): boolean;
    isValidDate(yearOrDate: YMDDate | number[]): boolean;
    normalizeDate(year: number, month: number, day: number): YMDDate;
    normalizeDate(yearOrDate: YMDDate | number[]): YMDDate;
    getMissingDateRange(year: number, month: number): number[] | null;
    getStartDateOfFirstWeekOfYear(year: number, startingDayOfWeek?: number, minDaysInCalendarYear?: number): YMDDate;
    getWeeksInYear(year: number, startingDayOfWeek?: number, minDaysInCalendarYear?: number): number;
    getYearWeekAndWeekday(year: number, month: number, day: number, startingDayOfWeek?: number, minDaysInCalendarYear?: number): number[];
    getYearWeekAndWeekday(date: YearOrDate | number, startingDayOfWeek?: number, minDaysInCalendarYear?: number): number[];
}
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