how to use the formatrfc7231 function from the date-fns library in typescript

To use the formatRFC7231 function from date-fns library in TypeScript, you need to install date-fns and its types:

npm install date-fns
npm install -D @types/date-fns
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After installation, you can import the function and use it in your TypeScript code as follows:

index.ts
import { formatRFC7231 } from 'date-fns';

const date = new Date('2021-07-30T15:30:00Z');
const formattedDate = formatRFC7231(date);

console.log(formattedDate); // Fri, 30 Jul 2021 15:30:00 GMT
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The formatRFC7231 function formats the given date string as per the RFC 7231 standard. The formatted date is returned as a string.

You can also pass an optional options object as the second argument to formatRFC7231 function to customize the formatting. You can find more details about the options in the date-fns documentation.