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

To use the getWeek function from the date-fns library in TypeScript, you can follow the steps below:

1. First, install the date-fns library by running the following command in your terminal:

npm install date-fns
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2. Import the getWeek function along with the parse function from date-fns in your TypeScript file. Here's an example:

index.ts
import { parse, getWeek } from 'date-fns';
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3. Define a variable with a Date object and parse it using the parse function from date-fns. Add appropriate type annotation if needed.

index.ts
const date: Date = parse('2022-03-15', 'yyyy-MM-dd', new Date());
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This will parse the date string '2022-03-15' and return a Date object.

4. Once you have a Date object, you can call the getWeek function and pass the Date object as its argument. Here's an example:

index.ts
const weekNumber: number = getWeek(date);
console.log(`Week number: ${weekNumber}`);
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This will log the week number of the date in the console.

Here's the complete TypeScript code:

index.ts
import { parse, getWeek } from 'date-fns';

const date: Date = parse('2022-03-15', 'yyyy-MM-dd', new Date());
const weekNumber: number = getWeek(date);

console.log(`Week number: ${weekNumber}`);
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