timepiece/node_modules/date-fns/formatISO.d.mts

47 lines
1.8 KiB
TypeScript

import type { ISOFormatOptions } from "./types.js";
/**
* The {@link formatISO} function options.
*/
export interface FormatISOOptions extends ISOFormatOptions {}
/**
* @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.
*
* @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).
*
* @param date - The original date
* @param options - An object with options.
*
* @returns The formatted date string (in loca.l time zone)
*
* @throws `date` must not be Invalid Date
*
* @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 declare function formatISO<DateType extends Date>(
date: DateType | number | string,
options?: FormatISOOptions,
): string;