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 王天杨
提交两个项目文件
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import { addDays } from "./addDays.mjs";
import { addMonths } from "./addMonths.mjs";
import { constructFrom } from "./constructFrom.mjs";
import { toDate } from "./toDate.mjs";
/**
* @name add
* @category Common Helpers
* @summary Add the specified years, months, weeks, days, hours, minutes and seconds to the given date.
*
* @description
* Add the specified years, months, weeks, days, hours, minutes and seconds to 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 added.
*
* | Key | Description |
* |----------------|------------------------------------|
* | years | Amount of years to be added |
* | months | Amount of months to be added |
* | weeks | Amount of weeks to be added |
* | days | Amount of days to be added |
* | hours | Amount of hours to be added |
* | minutes | Amount of minutes to be added |
* | seconds | Amount of seconds to be added |
*
* All values default to 0
*
* @returns The new date with the seconds added
*
* @example
* // Add the following duration to 1 September 2014, 10:19:50
* const result = add(new Date(2014, 8, 1, 10, 19, 50), {
* years: 2,
* months: 9,
* weeks: 1,
* days: 7,
* hours: 5,\\-7
* minutes: 9,
* seconds: 30,
* })
* //=> Thu Jun 15 2017 15:29:20
*/
export function add(date, duration) {
const {
years = 0,
months = 0,
weeks = 0,
days = 0,
hours = 0,
minutes = 0,
seconds = 0,
} = duration;
// Add years and months
const _date = toDate(date);
const dateWithMonths =
months || years ? addMonths(_date, months + years * 12) : _date;
// Add weeks and days
const dateWithDays =
days || weeks ? addDays(dateWithMonths, days + weeks * 7) : dateWithMonths;
// Add days, hours, minutes and seconds
const minutesToAdd = minutes + hours * 60;
const secondsToAdd = seconds + minutesToAdd * 60;
const msToAdd = secondsToAdd * 1000;
const finalDate = constructFrom(date, dateWithDays.getTime() + msToAdd);
return finalDate;
}
// Fallback for modularized imports:
export default add;
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