/** * @license * Copyright Google LLC All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ import { InjectionToken } from '@angular/core'; import { Observable, Subject } from 'rxjs'; /** InjectionToken for datepicker that can be used to override default locale code. */ export declare const MAT_DATE_LOCALE: InjectionToken; /** @docs-private */ export declare function MAT_DATE_LOCALE_FACTORY(): string; /** * No longer needed since MAT_DATE_LOCALE has been changed to a scoped injectable. * If you are importing and providing this in your code you can simply remove it. * @deprecated * @breaking-change 8.0.0 */ export declare const MAT_DATE_LOCALE_PROVIDER: { provide: InjectionToken; useExisting: InjectionToken; }; /** Adapts type `D` to be usable as a date by cdk-based components that work with dates. */ export declare abstract class DateAdapter { /** The locale to use for all dates. */ protected locale: any; /** A stream that emits when the locale changes. */ get localeChanges(): Observable; protected _localeChanges: Subject; /** * Gets the year component of the given date. * @param date The date to extract the year from. * @returns The year component. */ abstract getYear(date: D): number; /** * Gets the month component of the given date. * @param date The date to extract the month from. * @returns The month component (0-indexed, 0 = January). */ abstract getMonth(date: D): number; /** * Gets the date of the month component of the given date. * @param date The date to extract the date of the month from. * @returns The month component (1-indexed, 1 = first of month). */ abstract getDate(date: D): number; /** * Gets the day of the week component of the given date. * @param date The date to extract the day of the week from. * @returns The month component (0-indexed, 0 = Sunday). */ abstract getDayOfWeek(date: D): number; /** * Gets a list of names for the months. * @param style The naming style (e.g. long = 'January', short = 'Jan', narrow = 'J'). * @returns An ordered list of all month names, starting with January. */ abstract getMonthNames(style: 'long' | 'short' | 'narrow'): string[]; /** * Gets a list of names for the dates of the month. * @returns An ordered list of all date of the month names, starting with '1'. */ abstract getDateNames(): string[]; /** * Gets a list of names for the days of the week. * @param style The naming style (e.g. long = 'Sunday', short = 'Sun', narrow = 'S'). * @returns An ordered list of all weekday names, starting with Sunday. */ abstract getDayOfWeekNames(style: 'long' | 'short' | 'narrow'): string[]; /** * Gets the name for the year of the given date. * @param date The date to get the year name for. * @returns The name of the given year (e.g. '2017'). */ abstract getYearName(date: D): string; /** * Gets the first day of the week. * @returns The first day of the week (0-indexed, 0 = Sunday). */ abstract getFirstDayOfWeek(): number; /** * Gets the number of days in the month of the given date. * @param date The date whose month should be checked. * @returns The number of days in the month of the given date. */ abstract getNumDaysInMonth(date: D): number; /** * Clones the given date. * @param date The date to clone * @returns A new date equal to the given date. */ abstract clone(date: D): D; /** * Creates a date with the given year, month, and date. Does not allow over/under-flow of the * month and date. * @param year The full year of the date. (e.g. 89 means the year 89, not the year 1989). * @param month The month of the date (0-indexed, 0 = January). Must be an integer 0 - 11. * @param date The date of month of the date. Must be an integer 1 - length of the given month. * @returns The new date, or null if invalid. */ abstract createDate(year: number, month: number, date: number): D; /** * Gets today's date. * @returns Today's date. */ abstract today(): D; /** * Parses a date from a user-provided value. * @param value The value to parse. * @param parseFormat The expected format of the value being parsed * (type is implementation-dependent). * @returns The parsed date. */ abstract parse(value: any, parseFormat: any): D | null; /** * Formats a date as a string according to the given format. * @param date The value to format. * @param displayFormat The format to use to display the date as a string. * @returns The formatted date string. */ abstract format(date: D, displayFormat: any): string; /** * Adds the given number of years to the date. Years are counted as if flipping 12 pages on the * calendar for each year and then finding the closest date in the new month. For example when * adding 1 year to Feb 29, 2016, the resulting date will be Feb 28, 2017. * @param date The date to add years to. * @param years The number of years to add (may be negative). * @returns A new date equal to the given one with the specified number of years added. */ abstract addCalendarYears(date: D, years: number): D; /** * Adds the given number of months to the date. Months are counted as if flipping a page on the * calendar for each month and then finding the closest date in the new month. For example when * adding 1 month to Jan 31, 2017, the resulting date will be Feb 28, 2017. * @param date The date to add months to. * @param months The number of months to add (may be negative). * @returns A new date equal to the given one with the specified number of months added. */ abstract addCalendarMonths(date: D, months: number): D; /** * Adds the given number of days to the date. Days are counted as if moving one cell on the * calendar for each day. * @param date The date to add days to. * @param days The number of days to add (may be negative). * @returns A new date equal to the given one with the specified number of days added. */ abstract addCalendarDays(date: D, days: number): D; /** * Gets the RFC 3339 compatible string (https://tools.ietf.org/html/rfc3339) for the given date. * This method is used to generate date strings that are compatible with native HTML attributes * such as the `min` or `max` attribute of an ``. * @param date The date to get the ISO date string for. * @returns The ISO date string date string. */ abstract toIso8601(date: D): string; /** * Checks whether the given object is considered a date instance by this DateAdapter. * @param obj The object to check * @returns Whether the object is a date instance. */ abstract isDateInstance(obj: any): boolean; /** * Checks whether the given date is valid. * @param date The date to check. * @returns Whether the date is valid. */ abstract isValid(date: D): boolean; /** * Gets date instance that is not valid. * @returns An invalid date. */ abstract invalid(): D; /** * Attempts to deserialize a value to a valid date object. This is different from parsing in that * deserialize should only accept non-ambiguous, locale-independent formats (e.g. a ISO 8601 * string). The default implementation does not allow any deserialization, it simply checks that * the given value is already a valid date object or null. The `` will call this * method on all of its `@Input()` properties that accept dates. It is therefore possible to * support passing values from your backend directly to these properties by overriding this method * to also deserialize the format used by your backend. * @param value The value to be deserialized into a date object. * @returns The deserialized date object, either a valid date, null if the value can be * deserialized into a null date (e.g. the empty string), or an invalid date. */ deserialize(value: any): D | null; /** * Sets the locale used for all dates. * @param locale The new locale. */ setLocale(locale: any): void; /** * Compares two dates. * @param first The first date to compare. * @param second The second date to compare. * @returns 0 if the dates are equal, a number less than 0 if the first date is earlier, * a number greater than 0 if the first date is later. */ compareDate(first: D, second: D): number; /** * Checks if two dates are equal. * @param first The first date to check. * @param second The second date to check. * @returns Whether the two dates are equal. * Null dates are considered equal to other null dates. */ sameDate(first: D | null, second: D | null): boolean; /** * Clamp the given date between min and max dates. * @param date The date to clamp. * @param min The minimum value to allow. If null or omitted no min is enforced. * @param max The maximum value to allow. If null or omitted no max is enforced. * @returns `min` if `date` is less than `min`, `max` if date is greater than `max`, * otherwise `date`. */ clampDate(date: D, min?: D | null, max?: D | null): D; }