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import { startOfWeek } from "./startOfWeek.mjs";
/**
* The {@link isSameWeek} function options.
*/
/**
* @name isSameWeek
* @category Week Helpers
* @summary Are the given dates in the same week (and month and year)?
*
* @description
* Are the given dates in the same week (and month and year)?
*
* @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 dateLeft - The first date to check
* @param dateRight - The second date to check
* @param options - An object with options
*
* @returns The dates are in the same week (and month and year)
*
* @example
* // Are 31 August 2014 and 4 September 2014 in the same week?
* const result = isSameWeek(new Date(2014, 7, 31), new Date(2014, 8, 4))
* //=> true
*
* @example
* // If week starts with Monday,
* // are 31 August 2014 and 4 September 2014 in the same week?
* const result = isSameWeek(new Date(2014, 7, 31), new Date(2014, 8, 4), {
* weekStartsOn: 1
* })
* //=> false
*
* @example
* // Are 1 January 2014 and 1 January 2015 in the same week?
* const result = isSameWeek(new Date(2014, 0, 1), new Date(2015, 0, 1))
* //=> false
*/
export function isSameWeek(dateLeft, dateRight, options) {
const dateLeftStartOfWeek = startOfWeek(dateLeft, options);
const dateRightStartOfWeek = startOfWeek(dateRight, options);
return +dateLeftStartOfWeek === +dateRightStartOfWeek;
}
// Fallback for modularized imports:
export default isSameWeek;