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- import _typeof from "@babel/runtime/helpers/esm/typeof";
- import subDays from "../subDays/index.js";
- import subMonths from "../subMonths/index.js";
- import requiredArgs from "../_lib/requiredArgs/index.js";
- import toInteger from "../_lib/toInteger/index.js";
- /**
- * @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.
- *
- * @param {Date|Number} date - the date to be changed
- * @param {Duration} 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 {Date} the new date with the seconds subtracted
- * @throws {TypeError} 2 arguments required
- *
- * @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 default function sub(date, duration) {
- requiredArgs(2, arguments);
- if (!duration || _typeof(duration) !== 'object') return new Date(NaN);
- var years = duration.years ? toInteger(duration.years) : 0;
- var months = duration.months ? toInteger(duration.months) : 0;
- var weeks = duration.weeks ? toInteger(duration.weeks) : 0;
- var days = duration.days ? toInteger(duration.days) : 0;
- var hours = duration.hours ? toInteger(duration.hours) : 0;
- var minutes = duration.minutes ? toInteger(duration.minutes) : 0;
- var seconds = duration.seconds ? toInteger(duration.seconds) : 0;
- // Subtract years and months
- var dateWithoutMonths = subMonths(date, months + years * 12);
- // Subtract weeks and days
- var dateWithoutDays = subDays(dateWithoutMonths, days + weeks * 7);
- // Subtract hours, minutes and seconds
- var minutestoSub = minutes + hours * 60;
- var secondstoSub = seconds + minutestoSub * 60;
- var mstoSub = secondstoSub * 1000;
- var finalDate = new Date(dateWithoutDays.getTime() - mstoSub);
- return finalDate;
- }
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