osu! mapper highlight

highlights mapsets of favourite mappers

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         osu! mapper highlight
// @namespace    https://osu.ppy.sh/users/10767001
// @version      2026-08-06
// @description  highlights mapsets of favourite mappers
// @author       Hagama
// @match        https://osu.ppy.sh/*
// @match        http://osu.ppy.sh/*
// @icon         https://osu.ppy.sh/favicon.ico
// @grant        none
// @license      MIT
// ==/UserScript==

(function () {
    'use strict';

    console.log('Tampermonkey osu-mapper-highlight loaded');
    const STORAGE_KEY = 'tm-mapper-list';
    const id = 'tm-mapper-highlight';

    if (document.getElementById(id)) return;

    const defaultMappers = [1];

    function loadMappers() {
        try {
            const raw = localStorage.getItem(STORAGE_KEY);
            if (!raw) return [...defaultMappers];
            const parsed = JSON.parse(raw);
            if (!Array.isArray(parsed)) return [...defaultMappers];
            return parsed;
        } catch {
            return [...defaultMappers];
        }
    }
    function saveMappers(arr) {
        try {
            localStorage.setItem(STORAGE_KEY, JSON.stringify(arr));
        } catch {}
    }

    let userIds = loadMappers();
    console.log(userIds);
    function panelOverride(root = document) {
        const aSel = userIds.map(id => `a[data-user-id="${CSS.escape(String(id))}"]`).join(',');

        root.querySelectorAll('div.beatmapset-panel').forEach(div => {
            div.style.outline = div.querySelector(aSel) ? '2px solid #2ecc71' : '';
        });
    }

    function userpageLoaded() {
        const container = document.querySelector(".profile-detail-bar");
        if (!container) return;
        const divs = container.querySelectorAll("div");
        const secondDiv = divs[1];
        if (!secondDiv) return;
        if (container.querySelector(".tm-add-mapper-button")) return;
        const newDiv = document.createElement("div");
        newDiv.className = "tm-add-mapper-button";
        newDiv.appendChild(mapperBtn);
        secondDiv.insertAdjacentElement("afterend", newDiv);
    }

    const mapperBtn = document.createElement('button');
    mapperBtn.type = 'button';
    mapperBtn.classList.add("user-action-button");
    mapperBtn.classList.add("user-action-button--profile-page");
    mapperBtn.style.width = '100px';
    mapperBtn.textContent = 'HIGHLIGHT';


    function pageUrl() {
        return window.location.href;
    }

    function onUrlChange() {
        const url = pageUrl();
        const urlOK = url.indexOf('ppy.sh/users/');
        const urlStuff = url.split('ppy.sh/users/')[1] ?? '';
        const slashPos = urlStuff.indexOf('/');
        const mapperId = (slashPos === -1) ? urlStuff : urlStuff.slice(0, slashPos);
        (userIds.includes(mapperId)) ? mapperBtn.classList.add('user-action-button--friend') : mapperBtn.classList.remove('user-action-button--friend');
        const idx = userIds.indexOf(mapperId);
        if (urlOK === -1) {
            mapperBtn.disabled = true;
            mapperBtn.style.cursor = 'not-allowed';
            mapperBtn.style.background = 'rgba(0,0,0,0.4)';
            mapperBtn.style.color = '#6A6A6A';
        } else {
            mapperBtn.disabled = false;
            mapperBtn.style.cursor = 'pointer';
            mapperBtn.style.background = '';
            mapperBtn.style.color = '#fff';
        }
    }

    mapperBtn.addEventListener('click', () => {
        const url = pageUrl();
        const urlStuff = url.split('ppy.sh/users/')[1] ?? '';
        const slashPos = urlStuff.indexOf('/');
        const mapperId = (slashPos === -1) ? urlStuff : urlStuff.slice(0, slashPos);
        const idx = userIds.indexOf(mapperId);

        if (idx !== -1) userIds.splice(idx, 1);
        else userIds.push(mapperId);

        saveMappers(userIds);
        panelOverride();
        onUrlChange();
    });

    if ("hidden" in document){
        document.addEventListener("visibilitychange", () => {
            if (document.visibilityState === 'visible') {
                userIds = loadMappers();
                onUrlChange();
            }
        });
    }

    (function () {
        const origPush = history.pushState;
        history.pushState = function (...args) {
            const ret = origPush.apply(this, args);
            onUrlChange();
            return ret;
        };

        const origReplace = history.replaceState;
        history.replaceState = function (...args) {
            const ret = origReplace.apply(this, args);
            onUrlChange();
            return ret;
        };
        window.addEventListener('popstate', onUrlChange);
        window.addEventListener('hashchange', onUrlChange);

        onUrlChange();
    })();
    const obs = new MutationObserver(() => {panelOverride();userpageLoaded();});
    obs.observe(document.documentElement, { childList: true, subtree: true });
})();