import toInteger from "../_lib/toInteger/index.js"; import toDate from "../toDate/index.js"; import setMonth from "../setMonth/index.js"; import requiredArgs from "../_lib/requiredArgs/index.js"; /** * @name setQuarter * @category Quarter Helpers * @summary Set the year quarter to the given date. * * @description * Set the year quarter to the given date. * * @param {Date|Number} date - the date to be changed * @param {Number} quarter - the quarter of the new date * @returns {Date} the new date with the quarter set * @throws {TypeError} 2 arguments required * * @example * // Set the 2nd quarter to 2 July 2014: * const result = setQuarter(new Date(2014, 6, 2), 2) * //=> Wed Apr 02 2014 00:00:00 */ export default function setQuarter(dirtyDate, dirtyQuarter) { requiredArgs(2, arguments); var date = toDate(dirtyDate); var quarter = toInteger(dirtyQuarter); var oldQuarter = Math.floor(date.getMonth() / 3) + 1; var diff = quarter - oldQuarter; return setMonth(date, date.getMonth() + diff * 3); }