node-fs.js

const fs = require('fs');

console.log(fs.existsSync('/tmp/NOT_FOUND.txt'));
try {
    console.log(fs.statSync('/tmp/NOT_FOUND.txt'));
} catch (err) {
    console.error("ERROR: ", err);
}

console.log("-------------------------------");

console.log(fs.existsSync('/tmp/file.txt'));

console.log(fs.statSync('/tmp/file.txt').isDirectory());
console.log(fs.statSync('/tmp/file.txt').isFile());
console.log(fs.statSync('/tmp/file.txt').isSymbolicLink());
console.log(fs.lstatSync('/tmp/file.txt').isSymbolicLink());

console.log("-------------------------------");

console.log(fs.existsSync('/tmp/linkto-file.txt'));

console.log(fs.statSync('/tmp/linkto-file.txt').isDirectory());
console.log(fs.statSync('/tmp/linkto-file.txt').isFile());
console.log(fs.statSync('/tmp/linkto-file.txt').isSymbolicLink());
console.log(fs.lstatSync('/tmp/linkto-file.txt').isSymbolicLink());