getDaysInYear
Signature
Section titled “Signature”getDaysInYear(value: string): number | nullReturn the number of days in the calendar year containing value.
- 365 for a common year, 366 for a leap year.
- Returns null on invalid input.
Parameters
Section titled “Parameters”| Parameter | Type | Description |
|---|---|---|
value | string | ISO PlainDate string |
Returns
Section titled “Returns”365 or 366, or null on invalid input
Examples
Section titled “Examples”import { getDaysInYear } from "@northguild/gmt/plain/calculate";
getDaysInYear("2024-06-15") // 366 (leap year)