Function generateRandomString

app/page.tsx:17–24

()

    const [tip, setTip] = useState("")

    function generateRandomString() {
        const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
        let result = '';
        for (let i = 0; i < 10; i++) {
            result += characters.charAt(Math.floor(Math.random() * characters.length));
        }
        return result;
    }

    function upload(url: string, file: File, onProgress: (event: ProgressEvent<EventTarget>) => void) {
        return new Promise((res, rej) => {