Knotenüberprüfung, ob die Datei vorliegt
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"); // Or `import fs from "fs";` with ESM
if (fs.existsSync(path)) {
// Do something
}
const fs = require('fs')
// We will convert sync function into a promise function
// so when is ready will provide the result without blocking.
const exists = async (path) => {
return await new Promise((resolve) => {
resolve(fs.existsSync(path));
});
};
// If you have a file name samples on same root it will result true.
exists('./samples.txt').then(res => console.log(res))
console.log(`I'm not blocked as I'll show up on first`)function executeIfFileExist(src, callback) {
var xhr = new XMLHttpRequest()
xhr.onreadystatechange = function() {
if (this.readyState === this.DONE) {
callback()
}
}
xhr.open('HEAD', src)
}