Count the number of files in a directory using JavaScript/nodejs?

Question

How can I count the number of files in a directory using nodejs with just plain JavaScript or packages? I want to do something like this:

How to count the n

Answer 1

Using fs, I found retrieving the directory file count to be straightforward.

const fs = require('fs');
const dir = './directory';

fs.readdir(dir, (err, files) => {
  console.log(files.length);
});