39 lines
1.1 KiB
JavaScript
39 lines
1.1 KiB
JavaScript
import { toDate } from "./toDate.js";
|
|
|
|
/**
|
|
* The {@link startOfMonth} function options.
|
|
*/
|
|
|
|
/**
|
|
* @name startOfMonth
|
|
* @category Month Helpers
|
|
* @summary Return the start of a month for the given date.
|
|
*
|
|
* @description
|
|
* Return the start of a month for the given date. The result will be in the local timezone.
|
|
*
|
|
* @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).
|
|
* @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed,
|
|
* or inferred from the arguments.
|
|
*
|
|
* @param date - The original date
|
|
* @param options - An object with options
|
|
*
|
|
* @returns The start of a month
|
|
*
|
|
* @example
|
|
* // The start of a month for 2 September 2014 11:55:00:
|
|
* const result = startOfMonth(new Date(2014, 8, 2, 11, 55, 0))
|
|
* //=> Mon Sep 01 2014 00:00:00
|
|
*/
|
|
export function startOfMonth(date, options) {
|
|
const _date = toDate(date, options?.in);
|
|
_date.setDate(1);
|
|
_date.setHours(0, 0, 0, 0);
|
|
return _date;
|
|
}
|
|
|
|
// Fallback for modularized imports:
|
|
export default startOfMonth;
|