Rename bulk amount of files

rename.js

const fs = require('fs');
const path = require('path');

const filePath = '/Users/hmnayem/Desktop/Demo';
const files = fs.readdirSync(filePath).filter((file) => file.endsWith('.png'));

let count = 54;
const extName = '.png';
files.forEach((file) => {
	const oldPath = path.join(filePath, file);
	const newPath = path.join(filePath, count + extName);
	fs.renameSync(oldPath, newPath);
	console.log('Done', count, '...');
	count++;
});