bc518174
 王天杨
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import { differenceInCalendarWeeks } from "./differenceInCalendarWeeks.mjs";
import { lastDayOfMonth } from "./lastDayOfMonth.mjs";
import { startOfMonth } from "./startOfMonth.mjs";
/**
* The {@link getWeeksInMonth} function options.
*/
/**
* @name getWeeksInMonth
* @category Week Helpers
* @summary Get the number of calendar weeks a month spans.
*
* @description
* Get the number of calendar weeks the month in the given date spans.
*
* @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 given date
* @param options - An object with options.
*
* @returns The number of calendar weeks
*
* @example
* // How many calendar weeks does February 2015 span?
* const result = getWeeksInMonth(new Date(2015, 1, 8))
* //=> 4
*
* @example
* // If the week starts on Monday,
* // how many calendar weeks does July 2017 span?
* const result = getWeeksInMonth(new Date(2017, 6, 5), { weekStartsOn: 1 })
* //=> 6
*/
export function getWeeksInMonth(date, options) {
return (
differenceInCalendarWeeks(
lastDayOfMonth(date),
startOfMonth(date),
options,
) + 1
);
}
// Fallback for modularized imports:
export default getWeeksInMonth;
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