import toDate from "../toDate/index.js"; import requiredArgs from "../_lib/requiredArgs/index.js"; /** * @name isMonday * @category Weekday Helpers * @summary Is the given date Monday? * * @description * Is the given date Monday? * * @param {Date|Number} date - the date to check * @returns {Boolean} the date is Monday * @throws {TypeError} 1 argument required * * @example * // Is 22 September 2014 Monday? * const result = isMonday(new Date(2014, 8, 22)) * //=> true */ export default function isMonday(date) { requiredArgs(1, arguments); return toDate(date).getDay() === 1; }