Without using any third-party library

Simple way for simple and readble format:

const date = new Date('2021-12-26T00:00:00.000000Z');
console.log({date});
// date: Sun Dec 26 2021 03:30:00  

For more information, please read this article.

You can use as below.

import { format } from 'date-fns 
format(new Date('2021-12-26T00:00:00.000000Z'), 'yyyy-MM-dd')

Output will be:

"2021-12-26"