timepiece/node_modules/date-fns/isDate.mjs

43 lines
907 B
JavaScript

/**
* @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.
*
* @param value - The value to check
*
* @returns True if the given value is a date
*
* @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 function isDate(value) {
return (
value instanceof Date ||
(typeof value === "object" &&
Object.prototype.toString.call(value) === "[object Date]")
);
}
// Fallback for modularized imports:
export default isDate;