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x/date_fns/isBefore/index.ts

date-fns Deno package
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import toDate from '../toDate/index.ts'import requiredArgs from '../_lib/requiredArgs/index.ts'
/** * @name isBefore * @category Common Helpers * @summary Is the first date before the second one? * * @description * Is the first date before the second one? * * ### 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 that should be before the other one to return true * @param {Date|Number} dateToCompare - the date to compare with * @returns {Boolean} the first date is before the second date * @throws {TypeError} 2 arguments required * * @example * // Is 10 July 1989 before 11 February 1987? * var result = isBefore(new Date(1989, 6, 10), new Date(1987, 1, 11)) * //=> false */export default function isBefore(dirtyDate: Date | number, dirtyDateToCompare: Date | number): boolean { requiredArgs(2, arguments)
const date = toDate(dirtyDate) const dateToCompare = toDate(dirtyDateToCompare) return date.getTime() < dateToCompare.getTime()}