const fs = require('fs')
const path = './file.txt'
try {
if (fs.existsSync(path)) {
//file exists
}
} catch(err) {
console.error(err)
}
const fs = require('fs')
const path = './file.txt'
//Async method
fs.access(path, fs.F_OK, (err) => {
if (err) {
console.error(err)
return
}
//file exists
})