Files
boc/landvex/node_modules/date-fns/esm/isDate/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

42 lines
1.1 KiB
JavaScript

import requiredArgs from "../_lib/requiredArgs/index.js";
/**
* @name isDate
* @category Common Helpers
* @summary Is the given value a date?
*
* @description
* Returns true if the given value is an instance of Date. The function works for dates transferred across iframes.
*
* ### 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 {*} value - the value to check
* @returns {boolean} true if the given value is a date
* @throws {TypeError} 1 arguments required
*
* @example
* // For a valid date:
* const result = isDate(new Date())
* //=> true
*
* @example
* // For an invalid date:
* const result = isDate(new Date(NaN))
* //=> true
*
* @example
* // For some value:
* const result = isDate('2014-02-31')
* //=> false
*
* @example
* // For an object:
* const result = isDate({})
* //=> false
*/
export default function isDate(value) {
requiredArgs(1, arguments);
return value instanceof Date || typeof value === 'object' && Object.prototype.toString.call(value) === '[object Date]';
}