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

To use the isPrototypeOf function from the date-fns library in TypeScript, you need to first install the date-fns library and its corresponding type definition using npm.

npm install date-fns
npm install -D @types/date-fns
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Once you have installed the required packages, you can import the isPrototypeOf function and use it like so:

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

const date = new Date();

if(isPrototypeOf(date)) {
  console.log('date is a Date object');
} else {
  console.log('date is not a Date object');
}
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The isPrototypeOf function checks if the argument provided is an instance of the Date constructor or not. If it is, the function returns true and false otherwise.