Vlad Durnea
cffdf8af86
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41 lines
1.3 KiB
JavaScript
41 lines
1.3 KiB
JavaScript
"use strict";
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exports.setMonth = setMonth;
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var _index = require("./constructFrom.js");
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var _index2 = require("./getDaysInMonth.js");
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var _index3 = require("./toDate.js");
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/**
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* @name setMonth
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* @category Month Helpers
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* @summary Set the month to the given date.
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*
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* @description
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* Set the month 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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*
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* @param date - The date to be changed
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* @param month - The month index to set (0-11)
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*
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* @returns The new date with the month set
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*
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* @example
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* // Set February to 1 September 2014:
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* const result = setMonth(new Date(2014, 8, 1), 1)
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* //=> Sat Feb 01 2014 00:00:00
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*/
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function setMonth(date, month) {
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const _date = (0, _index3.toDate)(date);
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const year = _date.getFullYear();
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const day = _date.getDate();
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const dateWithDesiredMonth = (0, _index.constructFrom)(date, 0);
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dateWithDesiredMonth.setFullYear(year, month, 15);
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dateWithDesiredMonth.setHours(0, 0, 0, 0);
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const daysInMonth = (0, _index2.getDaysInMonth)(dateWithDesiredMonth);
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// Set the last day of the new month
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// if the original date was the last day of the longer month
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_date.setMonth(month, Math.min(day, daysInMonth));
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return _date;
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}
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