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

The __lookupgetter__ function is used to define custom getter methods on objects in Javascript. To use the __lookupgetter__ function from date-fns, you can follow these steps:

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

   npm install date-fns
   21 chars
   2 lines

2. Import the __lookupgetter__ function from date-fns in your Javascript file:

   index.tsx
   const { __lookupGetter__ } = require('date-fns');
   50 chars
   2 lines

3. Define an object and a custom getter method on it:

   index.tsx
   const obj = {};
   
   __lookupGetter__(obj, 'customGetter', () => {
     return 'This is a custom getter function';
   });
   112 chars
   6 lines

4. Call the custom getter method on the object:

   index.tsx
   console.log(obj.customGetter); // Output: This is a custom getter function
   75 chars
   2 lines

The __lookupGetter__ function is a powerful tool for defining and accessing custom getters on objects. With it, you can create more dynamic and flexible code that can adapt to changing requirements and needs.