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import toDate from '../toDate/index.ts'import requiredArgs from '../_lib/requiredArgs/index.ts'
/** * @name isMonday * @category Weekday Helpers * @summary Is the given date Monday? * * @description * Is the given date Monday? * * ### v2.0.0 breaking changes: * * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes). * * @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? * var result = isMonday(new Date(2014, 8, 22)) * //=> true */export default function isMonday(date: Date | number): boolean {  requiredArgs(1, arguments)
  return toDate(date).getDay() === 1}