import startOfQuarter from "../startOfQuarter/index.js"; import requiredArgs from "../_lib/requiredArgs/index.js"; /** * @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 {Date|Number} dateLeft - the first date to check * @param {Date|Number} dateRight - the second date to check * @returns {Boolean} the dates are in the same quarter (and year) * @throws {TypeError} 2 arguments required * * @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 default function isSameQuarter(dirtyDateLeft, dirtyDateRight) { requiredArgs(2, arguments); var dateLeftStartOfQuarter = startOfQuarter(dirtyDateLeft); var dateRightStartOfQuarter = startOfQuarter(dirtyDateRight); return dateLeftStartOfQuarter.getTime() === dateRightStartOfQuarter.getTime(); }