Marc Mintel
5397309103
Some checks failed
Build & Deploy / 🔍 Prepare (push) Successful in 20s
Build & Deploy / 🧪 QA (push) Failing after 34s
Build & Deploy / 🏗️ Build (push) Has started running
Build & Deploy / 🚀 Deploy (push) Has been cancelled
Build & Deploy / 🧪 Smoke Test (push) Has been cancelled
Build & Deploy / ⚡ Lighthouse (push) Has been cancelled
Build & Deploy / 🔔 Notify (push) Has been cancelled
37 lines
936 B
Plaintext
37 lines
936 B
Plaintext
import { toDate } from "./toDate.js";
|
|
|
|
/**
|
|
* The {@link getDecade} function options.
|
|
*/
|
|
|
|
/**
|
|
* @name getDecade
|
|
* @category Decade Helpers
|
|
* @summary Get the decade of the given date.
|
|
*
|
|
* @description
|
|
* Get the decade of the given date.
|
|
*
|
|
* @param date - The given date
|
|
* @param options - An object with options
|
|
*
|
|
* @returns The year of decade
|
|
*
|
|
* @example
|
|
* // Which decade belongs 27 November 1942?
|
|
* const result = getDecade(new Date(1942, 10, 27))
|
|
* //=> 1940
|
|
*/
|
|
export function getDecade(date, options) {
|
|
// TODO: Switch to more technical definition in of decades that start with 1
|
|
// end with 0. I.e. 2001-2010 instead of current 2000-2009. It's a breaking
|
|
// change, so it can only be done in 4.0.
|
|
const _date = toDate(date, options?.in);
|
|
const year = _date.getFullYear();
|
|
const decade = Math.floor(year / 10) * 10;
|
|
return decade;
|
|
}
|
|
|
|
// Fallback for modularized imports:
|
|
export default getDecade;
|