weekOfYear

import { weekOfYear } from "jsr:@ende/datetime";

function

function weekOfYear(date: Date): number

Returns the ISO week number of the provided date (1-53).

date: Date: Date to get the week number of.

Returns

The week number of the provided date.

Example: Basic usage

import { weekOfYear } from "@ende/datetime/week-of-year";
import { assertEquals } from "@ende/assert";

assertEquals(weekOfYear(new Date("2020-12-28T03:24:00")), 53);

assertEquals(weekOfYear(new Date("2020-07-10T03:24:00")), 28);

Source