Files
boc/landvex/node_modules/date-fns/esm/differenceInCalendarMonths/index.js
T
Bernt 6989a98d75 feat: Passwordless cross-device authentication
- Arkitektur: docs/auth/passwordless-architecture.md
- Backend: iom/quixzoom-auth-service/ (FastAPI + Redis)
- Webb: quixzoom-market-pages/se/login/ (QR-kod + polling)
- App: iom/quixzoom-app/src/features/auth/ (push + deep links)

Flöde: QR-kod → app-godkännande → webb-inloggad
2026-07-07 07:11:50 +00:00

36 lines
1.2 KiB
JavaScript

import toDate from "../toDate/index.js";
import requiredArgs from "../_lib/requiredArgs/index.js";
/**
* @name differenceInCalendarMonths
* @category Month Helpers
* @summary Get the number of calendar months between the given dates.
*
* @description
* Get the number of calendar months between the given dates.
*
* ### v2.0.0 breaking changes:
*
* - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).
*
* @param {Date|Number} dateLeft - the later date
* @param {Date|Number} dateRight - the earlier date
* @returns {Number} the number of calendar months
* @throws {TypeError} 2 arguments required
*
* @example
* // How many calendar months are between 31 January 2014 and 1 September 2014?
* var result = differenceInCalendarMonths(
* new Date(2014, 8, 1),
* new Date(2014, 0, 31)
* )
* //=> 8
*/
export default function differenceInCalendarMonths(dirtyDateLeft, dirtyDateRight) {
requiredArgs(2, arguments);
var dateLeft = toDate(dirtyDateLeft);
var dateRight = toDate(dirtyDateRight);
var yearDiff = dateLeft.getFullYear() - dateRight.getFullYear();
var monthDiff = dateLeft.getMonth() - dateRight.getMonth();
return yearDiff * 12 + monthDiff;
}