Marc Mintel
5397309103
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42 lines
1.3 KiB
Plaintext
42 lines
1.3 KiB
Plaintext
"use strict";
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exports.addDays = addDays;
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var _index = require("./constructFrom.cjs");
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var _index2 = require("./toDate.cjs");
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/**
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* The {@link addDays} function options.
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*/
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/**
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* @name addDays
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* @category Day Helpers
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* @summary Add the specified number of days to the given date.
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*
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* @description
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* Add the specified number of days to the given date.
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*
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* @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).
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* @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.
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*
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* @param date - The date to be changed
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* @param amount - The amount of days to be added.
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* @param options - An object with options
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*
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* @returns The new date with the days added
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*
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* @example
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* // Add 10 days to 1 September 2014:
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* const result = addDays(new Date(2014, 8, 1), 10)
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* //=> Thu Sep 11 2014 00:00:00
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*/
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function addDays(date, amount, options) {
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const _date = (0, _index2.toDate)(date, options?.in);
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if (isNaN(amount)) return (0, _index.constructFrom)(options?.in || date, NaN);
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// If 0 days, no-op to avoid changing times in the hour before end of DST
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if (!amount) return _date;
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_date.setDate(_date.getDate() + amount);
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return _date;
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}
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