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Diffstat (limited to 'node_modules/date-fns/esm/sub/index.js')
| -rw-r--r-- | node_modules/date-fns/esm/sub/index.js | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/node_modules/date-fns/esm/sub/index.js b/node_modules/date-fns/esm/sub/index.js new file mode 100644 index 0000000..cf33567 --- /dev/null +++ b/node_modules/date-fns/esm/sub/index.js @@ -0,0 +1,68 @@ +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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