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 王天杨
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import type { Interval } from "./types.js";
/**
* @name clamp
* @category Interval Helpers
* @summary Return a date bounded by the start and the end of the given interval
*
* @description
* Clamps a date to the lower bound with the start of the interval and the upper
* bound with the end of the interval.
*
* - When the date is less than the start of the interval, the start is returned.
* - When the date is greater than the end of the interval, the end is returned.
* - Otherwise the date is returned.
*
* @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 date to be bounded
* @param interval - The interval to bound to
*
* @returns The date bounded by the start and the end of the interval
*
* @example
* // What is Mar, 21, 2021 bounded to an interval starting at Mar, 22, 2021 and ending at Apr, 01, 2021
* const result = clamp(new Date(2021, 2, 21), {
* start: new Date(2021, 2, 22),
* end: new Date(2021, 3, 1),
* })
* //=> Mon Mar 22 2021 00:00:00
*/
export declare function clamp<DateType extends Date>(
date: DateType | number | string,
interval: Interval,
): DateType | Date;
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