2025-11-13 13:13:34 -07:00

33 lines
796 B
JavaScript

import { toDate } from "./toDate.js";
import { getDate as coreGetDate } from "./_core/getDate.js";
/**
* The {@link isFirstDayOfMonth} function options.
*/
/**
* @name isFirstDayOfMonth
* @category Month Helpers
* @summary Is the given date the first day of a month?
*
* @description
* Is the given date the first day of a month?
*
* @param date - The date to check
* @param options - An object with options
*
* @returns The date is the first day of a month
*
* @example
* // Is 1 September 2014 the first day of a month?
* const result = isFirstDayOfMonth(new Date(2014, 8, 1))
* //=> true
*/
export function isFirstDayOfMonth(date, options) {
return coreGetDate(toDate(date, options?.in)) === 1;
}
// Fallback for modularized imports:
export default isFirstDayOfMonth;