33 lines
1014 B
JavaScript
33 lines
1014 B
JavaScript
"use strict";
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exports.startOfYear = startOfYear;
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var _index = require("./toDate.js");
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var _index2 = require("./constructFrom.js");
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/**
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* @name startOfYear
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* @category Year Helpers
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* @summary Return the start of a year for the given date.
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*
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* @description
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* Return the start of a year for the given date.
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* The result will be in the local timezone.
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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 original date
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*
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* @returns The start of a year
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*
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* @example
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* // The start of a year for 2 September 2014 11:55:00:
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* const result = startOfYear(new Date(2014, 8, 2, 11, 55, 00))
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* //=> Wed Jan 01 2014 00:00:00
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*/
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function startOfYear(date) {
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const cleanDate = (0, _index.toDate)(date);
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const _date = (0, _index2.constructFrom)(date, 0);
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_date.setFullYear(cleanDate.getFullYear(), 0, 1);
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_date.setHours(0, 0, 0, 0);
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return _date;
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}
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