import { startOfQuarter } from "./startOfQuarter.mjs"; /** * @name isSameQuarter * @category Quarter Helpers * @summary Are the given dates in the same quarter (and year)? * * @description * Are the given dates in the same quarter (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 * @returns The dates are in the same quarter (and year) * * @example * // Are 1 January 2014 and 8 March 2014 in the same quarter? * const result = isSameQuarter(new Date(2014, 0, 1), new Date(2014, 2, 8)) * //=> true * * @example * // Are 1 January 2014 and 1 January 2015 in the same quarter? * const result = isSameQuarter(new Date(2014, 0, 1), new Date(2015, 0, 1)) * //=> false */ export function isSameQuarter(dateLeft, dateRight) { const dateLeftStartOfQuarter = startOfQuarter(dateLeft); const dateRightStartOfQuarter = startOfQuarter(dateRight); return +dateLeftStartOfQuarter === +dateRightStartOfQuarter; } // Fallback for modularized imports: export default isSameQuarter;