Makes your synergia.librus.pl experience faster

synergiaFast.js

// ==UserScript==
// @name         SynergiaFast
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Makes your synergia.librus.pl experience faster
// @author       Kyiro
// @match        https://synergia.librus.pl/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=librus.pl
// @grant        none
// @run-at       document-start
// ==/UserScript==

const cache = new Map();

async function load(url) {
    if (cache.has(url)) {
        console.log(`${url} już załadowane`);
        return;
    }
    
    const parser = new DOMParser();
    const response = await fetch(url).then(r => r.text());
    const resDocument = parser.parseFromString(response, "text/html");
    
    console.log(`Ładowanie ${url}`);
    
    cache.set(url, resDocument.getElementById("body"));
}

function replaceAnchors() {
    for (const anchor of document.getElementsByTagName("a")) {
        const url = new String(anchor.href);
        
        if (!anchor.href.startsWith("http")) continue;
        
        anchor.href = "javascript:void(0)";
        
        anchor.onclick = () => load(url).then(() => switchTab(url));
    }
}

function switchTab(url) {
    const body = document.getElementById("body");
    
    body.outerHTML = cache.get(url).outerHTML;
    window.history.pushState({}, "", url);
    
    replaceAnchors();
    removeExtensionWarning();
}

function removeExtensionWarning() {
    for (const scriptTag of document.getElementsByTagName("script")) {
        if (scriptTag.innerHTML.includes("librusowy-asystent-ucznia")) {
            console.log("Usunięto ogłoszenie o rozszerzeniach");
            scriptTag.remove();
        }
    }
}

// Patches otworz_w_nowym_oknie
function patchNewWindow() {
    if (typeof otworz_w_nowym_oknie == "undefined") {
        console.error("otworz_w_nowym_oknie nie istnieje");
        return;
    }
    
    otworz_w_nowym_oknie = function (url) {
        load(url).then(() => switchTab(url));
    }
}

window.addEventListener("load", () => {
    cache.set(window.location.toString(), document.getElementById("body"));
    
    patchNewWindow();
    
    replaceAnchors();
    removeExtensionWarning();
});