import toDate from "../toDate/index.js"; import requiredArgs from "../_lib/requiredArgs/index.js"; /** * @name getQuarter * @category Quarter Helpers * @summary Get the year quarter of the given date. * * @description * Get the year quarter of the given date. * * @param {Date|Number} date - the given date * @returns {Number} the quarter * @throws {TypeError} 1 argument required * * @example * // Which quarter is 2 July 2014? * const result = getQuarter(new Date(2014, 6, 2)) * //=> 3 */ export default function getQuarter(dirtyDate) { requiredArgs(1, arguments); var date = toDate(dirtyDate); var quarter = Math.floor(date.getMonth() / 3) + 1; return quarter; }