date-fns/src/nextMonday/index.ts


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import requiredArgs from '../_lib/requiredArgs/index'
import nextDay from '../nextDay/index'
import toDate from '../toDate/index'

/**
 * @name nextMonday
 * @category Weekday Helpers
 * @summary When is the next Monday?
 *
 * @description
 * When is the next Monday?
 *
 * @param {Date | number} date - the date to start counting from
 * @returns {Date} the next Monday
 * @throws {TypeError} 1 argument required
 *
 * @example
 * // When is the next Monday after Mar, 22, 2020?
 * const result = nextMonday(new Date(2020, 2, 22))
 * //=> Mon Mar 23 2020 00:00:00
 */
export default function nextMonday(date: Date | number): Date {
  requiredArgs(1, arguments)
  return nextDay(toDate(date), 1)
}