Check if a file no exist in NodeJS, create it

checkFileAndCreate.js

var fs = require('fs');

module.exports = function checkFileAndCreate(cb) {
  try {
    fs.accessSync(file, fs.F_OK);
    cb(null);
  } catch (err) {
    if(err.code === 'ENOENT') {
      fs.writeFileSync(file, '');
      cb(null);
    }else {
      cb(err);
    }
  }
}