how to use the getweekyear function from date-fns in javascript

To use the getWeekYear function from date-fns library in Javascript, you need to install the library using npm by running the following command in your terminal:

index.tsx
npm install date-fns --save
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Then, you need to import the getWeekYear function in your code like this:

const { getWeekYear } = require('date-fns');
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After that, you can use the getWeekYear function to get the ISO week-numbering year of a given date. Here is an example:

const date = new Date('2021-07-14');
const year = getWeekYear(date); // returns 2021
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In this example, the getWeekYear function returns the ISO week-numbering year of the date object, which is 2021.