import isSameDay from "../isSameDay/index.js"; import subDays from "../subDays/index.js"; import requiredArgs from "../_lib/requiredArgs/index.js"; /** * @name isYesterday * @category Day Helpers * @summary Is the given date yesterday? * @pure false * * @description * Is the given date yesterday? * * > ⚠️ Please note that this function is not present in the FP submodule as * > it uses `Date.now()` internally hence impure and can't be safely curried. * * @param {Date|Number} date - the date to check * @returns {Boolean} the date is yesterday * @throws {TypeError} 1 argument required * * @example * // If today is 6 October 2014, is 5 October 14:00:00 yesterday? * const result = isYesterday(new Date(2014, 9, 5, 14, 0)) * //=> true */ export default function isYesterday(dirtyDate) { requiredArgs(1, arguments); return isSameDay(dirtyDate, subDays(Date.now(), 1)); }