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- import type { ContextOptions, DateArg, MaybeArray } from "./types.js";
- /**
- * The {@link intlFormatDistance} function options.
- */
- export interface IntlFormatDistanceOptions
- extends Intl.RelativeTimeFormatOptions,
- ContextOptions<Date> {
- /** Force the distance unit */
- unit?: IntlFormatDistanceUnit;
- /** The locales to use (see: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl#locales_argument) */
- locale?: MaybeArray<Intl.ResolvedDateTimeFormatOptions["locale"]>;
- }
- /**
- * The unit used to format the distance in {@link intlFormatDistance}.
- */
- export type IntlFormatDistanceUnit =
- | "year"
- | "quarter"
- | "month"
- | "week"
- | "day"
- | "hour"
- | "minute"
- | "second";
- /**
- * @name intlFormatDistance
- * @category Common Helpers
- * @summary Formats distance between two dates in a human-readable format
- * @description
- * The function calculates the difference between two dates and formats it as a human-readable string.
- *
- * The function will pick the most appropriate unit depending on the distance between dates. For example, if the distance is a few hours, it might return `x hours`. If the distance is a few months, it might return `x months`.
- *
- * You can also specify a unit to force using it regardless of the distance to get a result like `123456 hours`.
- *
- * See the table below for the unit picking logic:
- *
- * | Distance between dates | Result (past) | Result (future) |
- * | ---------------------- | -------------- | --------------- |
- * | 0 seconds | now | now |
- * | 1-59 seconds | X seconds ago | in X seconds |
- * | 1-59 minutes | X minutes ago | in X minutes |
- * | 1-23 hours | X hours ago | in X hours |
- * | 1 day | yesterday | tomorrow |
- * | 2-6 days | X days ago | in X days |
- * | 7 days | last week | next week |
- * | 8 days-1 month | X weeks ago | in X weeks |
- * | 1 month | last month | next month |
- * | 2-3 months | X months ago | in X months |
- * | 1 quarter | last quarter | next quarter |
- * | 2-3 quarters | X quarters ago | in X quarters |
- * | 1 year | last year | next year |
- * | 2+ years | X years ago | in X years |
- *
- * @param laterDate - The date
- * @param earlierDate - The date to compare with.
- * @param options - An object with options.
- * See MDN for details [Locale identification and negotiation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl#locale_identification_and_negotiation)
- * The narrow one could be similar to the short one for some locales.
- *
- * @returns The distance in words according to language-sensitive relative time formatting.
- *
- * @throws `date` must not be Invalid Date
- * @throws `baseDate` must not be Invalid Date
- * @throws `options.unit` must not be invalid Unit
- * @throws `options.locale` must not be invalid locale
- * @throws `options.localeMatcher` must not be invalid localeMatcher
- * @throws `options.numeric` must not be invalid numeric
- * @throws `options.style` must not be invalid style
- *
- * @example
- * // What is the distance between the dates when the fist date is after the second?
- * intlFormatDistance(
- * new Date(1986, 3, 4, 11, 30, 0),
- * new Date(1986, 3, 4, 10, 30, 0)
- * )
- * //=> 'in 1 hour'
- *
- * // What is the distance between the dates when the fist date is before the second?
- * intlFormatDistance(
- * new Date(1986, 3, 4, 10, 30, 0),
- * new Date(1986, 3, 4, 11, 30, 0)
- * )
- * //=> '1 hour ago'
- *
- * @example
- * // Use the unit option to force the function to output the result in quarters. Without setting it, the example would return "next year"
- * intlFormatDistance(
- * new Date(1987, 6, 4, 10, 30, 0),
- * new Date(1986, 3, 4, 10, 30, 0),
- * { unit: 'quarter' }
- * )
- * //=> 'in 5 quarters'
- *
- * @example
- * // Use the locale option to get the result in Spanish. Without setting it, the example would return "in 1 hour".
- * intlFormatDistance(
- * new Date(1986, 3, 4, 11, 30, 0),
- * new Date(1986, 3, 4, 10, 30, 0),
- * { locale: 'es' }
- * )
- * //=> 'dentro de 1 hora'
- *
- * @example
- * // Use the numeric option to force the function to use numeric values. Without setting it, the example would return "tomorrow".
- * intlFormatDistance(
- * new Date(1986, 3, 5, 11, 30, 0),
- * new Date(1986, 3, 4, 11, 30, 0),
- * { numeric: 'always' }
- * )
- * //=> 'in 1 day'
- *
- * @example
- * // Use the style option to force the function to use short values. Without setting it, the example would return "in 2 years".
- * intlFormatDistance(
- * new Date(1988, 3, 4, 11, 30, 0),
- * new Date(1986, 3, 4, 11, 30, 0),
- * { style: 'short' }
- * )
- * //=> 'in 2 yr'
- */
- export declare function intlFormatDistance(
- laterDate: DateArg<Date> & {},
- earlierDate: DateArg<Date> & {},
- options?: IntlFormatDistanceOptions,
- ): string;
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