//We can use fs.readdir or fs.readdirSync methods
const fs = require('fs');
const testFolder = __dirname + '/files/';

//Asynchronous way
fs.readdir(testFolder, (err, files) => {
  files.forEach(file => {
    console.log(file);
  });
})

//Synchronous way
fs.readdirSync(testFolder).forEach(file => {
  console.log(file);
})