import { normalizeDates } from "./_lib/normalizeDates.js"; import { startOfQuarter } from "./startOfQuarter.js"; /** * The {@link isSameQuarter} function options. */ /** * @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)? * * @param laterDate - The first date to check * @param earlierDate - The second date to check * @param options - An object with options * * @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(laterDate, earlierDate, options) { const [dateLeft_, dateRight_] = normalizeDates( options?.in, laterDate, earlierDate, ); return +startOfQuarter(dateLeft_) === +startOfQuarter(dateRight_); } // Fallback for modularized imports: export default isSameQuarter;