| 1 | import type { ContextOptions, DateArg } from "./types.js";
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| 2 | /**
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| 3 | * The {@link lastDayOfDecade} function options.
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| 4 | */
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| 5 | export interface LastDayOfDecadeOptions<DateType extends Date = Date>
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| 6 | extends ContextOptions<DateType> {}
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| 7 | /**
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| 8 | * @name lastDayOfDecade
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| 9 | * @category Decade Helpers
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| 10 | * @summary Return the last day of a decade for the given date.
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| 11 | *
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| 12 | * @description
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| 13 | * Return the last day of a decade for the given date.
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| 14 | *
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| 15 | * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows using extensions like [`UTCDate`](https://github.com/date-fns/utc).
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| 16 | * @typeParam ResultDate - The result `Date` type; inferred from arguments or specified by context.
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| 17 | *
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| 18 | * @param date - The original date
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| 19 | * @param options - The options
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| 20 | *
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| 21 | * @returns The last day of a decade
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| 22 | *
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| 23 | * @example
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| 24 | * // The last day of a decade for 21 December 2012 21:12:00:
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| 25 | * const result = lastDayOfDecade(new Date(2012, 11, 21, 21, 12, 00))
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| 26 | * //=> Wed Dec 31 2019 00:00:00
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| 27 | */
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| 28 | export declare function lastDayOfDecade<
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| 29 | DateType extends Date,
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| 30 | ResultDate extends Date = DateType,
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| 31 | >(
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| 32 | date: DateArg<DateType>,
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| 33 | options?: LastDayOfDecadeOptions<ResultDate> | undefined,
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| 34 | ): ResultDate;
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