Download files from ADP.com as separate files

adp-download.user.js

// ==UserScript==
// @name         ADP download
// @namespace    https://github.com/GiorgioAresu
// @version      1.0.1
// @description  Download files from ADP as separate files
// @author       You
// @match        https://www.multidocs.it.adp.com/idp/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=adp.com
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    const sleep = ms => new Promise(resolve => setTimeout(resolve, ms));

    const processItem = el => new Promise((resolve, reject) => (
        async () => {
            try {
                const clickableArea = el.querySelector(".contextCell");
                clickableArea.click();
                await sleep(500);
                const exportLink = document.querySelector("#contextMenu li[taskid=task_context_exportPDF] a");
                exportLink.click();
                resolve();
            } catch (error) {
                reject(error);
            }
        })()
                                         )

    const selectedItems = document.querySelectorAll("tr:has(input[type=checkbox]:checked)");
    const itemsArray = Array.from(selectedItems);
    if (itemsArray.length === 0) {
        alert("Seleziona prima dei documenti")
        return;
    }
    itemsArray.reduce((prev, curr) => prev.then(() => processItem(curr)), Promise.resolve());
})();