Get random images from Lightshot and display them (For Scriptable)

lightshot.js

// Random LightShot
// Get an image from LightShot and display it

// Get Request
async function getRequest(url) {
    let req = new Request(url);
    let data = await req.loadString();
    return data;
}

// Display Image with QuickLook
async function showImage(url) {
    req = new Request(url);
    let img = await req.loadImage();
    QuickLook.present(img, false);
}

// Gen Lightshot image code
function stringGen(len) {
    var text = "";
    var charset = "abcdefghijklmnopqrstuvwxyz0123456789";
    for (var i = 0; i < len; i++) text += charset.charAt(Math.floor(Math.random() * charset.length));
    return text;
}

// Parse responce for image url
function parseResponce(data) {
    let working = data.split('<img class="no-click screenshot-image" src="')[1];
    working = working.split('"')[0];

    return working;
}

// Main Function
async function main() {
    let url = "https://prnt.sc/" + stringGen(6);
    let responce = await getRequest(url);
    let imageUrl = parseResponce(responce);
    showImage(imageUrl);
}

// Run Main Function and Exit Script
main();
Script.complete();