| 12345678910111213141516171819202122232425262728293031323334353637383940 |
- "use strict";
- exports.setMonth = setMonth;
- var _index = require("./constructFrom.js");
- var _index2 = require("./getDaysInMonth.js");
- var _index3 = require("./toDate.js");
- /**
- * @name setMonth
- * @category Month Helpers
- * @summary Set the month to the given date.
- *
- * @description
- * Set the month 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 month - The month index to set (0-11)
- *
- * @returns The new date with the month set
- *
- * @example
- * // Set February to 1 September 2014:
- * const result = setMonth(new Date(2014, 8, 1), 1)
- * //=> Sat Feb 01 2014 00:00:00
- */
- function setMonth(date, month) {
- const _date = (0, _index3.toDate)(date);
- const year = _date.getFullYear();
- const day = _date.getDate();
- const dateWithDesiredMonth = (0, _index.constructFrom)(date, 0);
- dateWithDesiredMonth.setFullYear(year, month, 15);
- dateWithDesiredMonth.setHours(0, 0, 0, 0);
- const daysInMonth = (0, _index2.getDaysInMonth)(dateWithDesiredMonth);
- // Set the last day of the new month
- // if the original date was the last day of the longer month
- _date.setMonth(month, Math.min(day, daysInMonth));
- return _date;
- }
|