how to use the getisoweekyear function from the date-fns library in typescript

To use the getISOWeekYear function from the date-fns library in typescript, you need to first import the function from the library.

index.ts
import { getISOWeekYear } from 'date-fns';
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After importing the function, you can use it to get the ISO week year of a given date. The function takes in a date as a parameter and returns the ISO week year as a number.

index.ts
const date = new Date('2022-10-01');
const isoWeekYear = getISOWeekYear(date); // 2022
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In this example, we pass a date object to the getISOWeekYear function and it returns the ISO week year for that date.