week-number

📅 Get the ISO 8601 week number of a date

Installation

npm install @knutkirkhorn/week-number

Usage

import weekNumber, {yesterdayWeekNumber, tomorrowWeekNumber} from '@knutkirkhorn/week-number';

console.log(weekNumber());
// => 36

console.log(weekNumber(new Date()));
// => 36

console.log(weekNumber('September 3, 2019 13:33:37'));
// => 36

console.log(yesterdayWeekNumber());
// => 36

console.log(tomorrowWeekNumber());
// => 36

API

weekNumber([date])

Returns the ISO 8601 week number of a date. If not date is passed, the current date is used.

yesterdayWeekNumber()

Returns the ISO 8601 week number of yesterday.

tomorrowWeekNumber()

Returns the ISO 8601 week number of tomorrow.

Related

• week-number-cli - CLI for this module