Marc Mintel
5397309103
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37 lines
1.2 KiB
Plaintext
37 lines
1.2 KiB
Plaintext
import type { ContextOptions, DateArg } from "./types.js";
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/**
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* The {@link startOfMonth} function options.
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*/
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export interface StartOfMonthOptions<ResultDate extends Date>
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extends ContextOptions<ResultDate> {}
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/**
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* @name startOfMonth
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* @category Month Helpers
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* @summary Return the start of a month for the given date.
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*
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* @description
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* Return the start of a month for the given date. The result will be in the local timezone.
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*
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* @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments.
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* Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
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* @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed,
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* or inferred from the arguments.
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*
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* @param date - The original date
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* @param options - An object with options
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*
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* @returns The start of a month
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*
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* @example
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* // The start of a month for 2 September 2014 11:55:00:
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* const result = startOfMonth(new Date(2014, 8, 2, 11, 55, 0))
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* //=> Mon Sep 01 2014 00:00:00
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*/
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export declare function startOfMonth<
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DateType extends Date,
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ResultDate extends Date = DateType,
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>(
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date: DateArg<DateType>,
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options?: StartOfMonthOptions<ResultDate> | undefined,
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): ResultDate;
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