import { subDays } from "./subDays.mjs"; import { subMonths } from "./subMonths.mjs"; import { constructFrom } from "./constructFrom.mjs"; /** * @name sub * @category Common Helpers * @summary Subtract the specified years, months, weeks, days, hours, minutes and seconds from the given date. * * @description * Subtract the specified years, months, weeks, days, hours, minutes and seconds from the given date. * * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc). * * @param date - The date to be changed * @param duration - The object with years, months, weeks, days, hours, minutes and seconds to be subtracted * * | Key | Description | * |---------|------------------------------------| * | years | Amount of years to be subtracted | * | months | Amount of months to be subtracted | * | weeks | Amount of weeks to be subtracted | * | days | Amount of days to be subtracted | * | hours | Amount of hours to be subtracted | * | minutes | Amount of minutes to be subtracted | * | seconds | Amount of seconds to be subtracted | * * All values default to 0 * * @returns The new date with the seconds subtracted * * @example * // Subtract the following duration from 15 June 2017 15:29:20 * const result = sub(new Date(2017, 5, 15, 15, 29, 20), { * years: 2, * months: 9, * weeks: 1, * days: 7, * hours: 5, * minutes: 9, * seconds: 30 * }) * //=> Mon Sep 1 2014 10:19:50 */ export function sub(date, duration) { const { years = 0, months = 0, weeks = 0, days = 0, hours = 0, minutes = 0, seconds = 0, } = duration; // Subtract years and months const dateWithoutMonths = subMonths(date, months + years * 12); // Subtract weeks and days const dateWithoutDays = subDays(dateWithoutMonths, days + weeks * 7); // Subtract hours, minutes and seconds const minutestoSub = minutes + hours * 60; const secondstoSub = seconds + minutestoSub * 60; const mstoSub = secondstoSub * 1000; const finalDate = constructFrom(date, dateWithoutDays.getTime() - mstoSub); return finalDate; } // Fallback for modularized imports: export default sub;