Files
boc/cc-frontend/node_modules/date-fns/esm/lastDayOfDecade/index.js
T
Bernt aee0f09db8 landvex: Fixar och tester klara för alla komponenter
- Datafabrik: Dockerfile fix, agentorkestrering fungerar
- Vision: Identify-modell, FAISS, OCR alla testade
- API: Alla 7 integrationstester passerade
- Upplösare: Entitetsupplösning verifierad
2026-07-05 06:41:32 +00:00

28 lines
895 B
JavaScript

import toDate from "../toDate/index.js";
import requiredArgs from "../_lib/requiredArgs/index.js";
/**
* @name lastDayOfDecade
* @category Decade Helpers
* @summary Return the last day of a decade for the given date.
*
* @description
* Return the last day of a decade for the given date.
*
* @param {Date|Number} date - the original date
* @returns {Date} the last day of a decade
* @throws {TypeError} 1 argument required
*
* @example
* // The last day of a decade for 21 December 2012 21:12:00:
* const result = lastDayOfDecade(new Date(2012, 11, 21, 21, 12, 00))
* //=> Wed Dec 31 2019 00:00:00
*/
export default function lastDayOfDecade(dirtyDate) {
requiredArgs(1, arguments);
var date = toDate(dirtyDate);
var year = date.getFullYear();
var decade = 9 + Math.floor(year / 10) * 10;
date.setFullYear(decade + 1, 0, 0);
date.setHours(0, 0, 0, 0);
return date;
}