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

To use the addYears function from the date-fns library in TypeScript, you need to follow the steps below:

1. Install the date-fns library by running the following command in your project directory:

npm install date-fns
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2. Import the addYears function from the date-fns library at the top of your TypeScript file using the code below:

index.ts
import { addYears } from 'date-fns';
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3. Use the addYears function to add a number of years to a date value. The function takes in two arguments; the first argument is the date value to which years will be added, and the second argument is the number of years to be added. See the code sample below:

index.ts
const today = new Date();
const nextYear = addYears(today, 1);
console.log(nextYear); // Output: <date next year>
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4. Make sure to define or import the type of the Date value you're working with.

index.ts
import { addYears } from 'date-fns';
import { MyDateType } from './types';

const oneYearFromNow = addYears<MyDateType>(new Date(), 1)
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By following the above steps, you should be able to use the addYears function from the date-fns library in TypeScript.