Sprawdź węzeł, czy plik istnieje
const fs = require("fs"); // Or `import fs from "fs";` with ESM
if (fs.existsSync(path)) {
// Do something
}
Witty Worm
const fs = require("fs"); // Or `import fs from "fs";` with ESM
if (fs.existsSync(path)) {
// Do something
}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
})
function executeIfFileExist(src, callback) {
var xhr = new XMLHttpRequest()
xhr.onreadystatechange = function() {
if (this.readyState === this.DONE) {
callback()
}
}
xhr.open('HEAD', src)
}