check the existance a file or a directory

index.js

// check file or directory existance in async an sync way
const fs = require('fs')

// sync
if (fs.statSync(`${__dirname}/package.json`).isFile()) {
  console.log('sync: file');
}

if (fs.statSync(`${__dirname}/.`).isDirectory()) {
  console.log('sync: directory');
}

// async
fs.stat(`${__dirname}/package.json`, (err, stats) => {
  if (err) throw err

  if (stats.isFile()) {
    console.log('async: file');
  }
})

fs.stat(`${__dirname}/.`, (err, stat) => {
  if (err) throw err

  if (stat.isDirectory) {
    console.log('async: directory');
  }
})