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

To use the issameisoweekyear function from the date-fns library in TypeScript, first, you need to install the date-fns library by running the following command in your terminal:

index.ts
npm install date-fns
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Once installed, you can import the issameisoweekyear function from the date-fns library as follows:

index.ts
import { isSameISOWeekYear } from 'date-fns';
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The isSameISOWeekYear function takes two arguments - two Date objects or date strings. It returns a boolean value indicating whether the two dates are in the same ISO week year.

Here is an example usage of the isSameISOWeekYear function in TypeScript:

index.ts
import { isSameISOWeekYear } from 'date-fns';

const date1 = new Date('2022-01-01');
const date2 = new Date('2021-12-31');

const sameYear = isSameISOWeekYear(date1, date2);

console.log(sameYear); // Output: true
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In this example, the isSameISOWeekYear function is used to compare two dates (date1 and date2) and check if they are in the same ISO week year. The function returns true because both dates are in the ISO week year 2021.