Blacket Global Scripts Manager

Apply custom userscripts, CSS, and JS globally across Blacket; manage via /settings page UI panel styled like General box with buttons and icon styling matching Blacket UI.

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

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

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

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

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

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

(I already have a user script manager, let me install it!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Blacket Global Scripts Manager
// @namespace    http://tampermonkey.net/
// @version      2.5
// @description  Apply custom userscripts, CSS, and JS globally across Blacket; manage via /settings page UI panel styled like General box with buttons and icon styling matching Blacket UI.
// @author       You
// @match        https://*.blacket.org/*
// @grant        none
// ==/UserScript==

(function () {
    'use strict';

    const applyAll = () => {
        const css = localStorage.getItem('bb_saved_css');
        if (css) {
            let el = document.getElementById('bb_injectedCSS');
            if (!el) {
                el = document.createElement('style');
                el.id = 'bb_injectedCSS';
                document.head.appendChild(el);
            }
            el.textContent = css;
        }

        const js = localStorage.getItem('bb_saved_js');
        if (js) {
            const script = document.createElement('script');
            script.textContent = js;
            document.body.appendChild(script);
            script.remove();
        }

        const userscript = localStorage.getItem('bb_saved_userscript');
        if (userscript) {
            const script = document.createElement('script');
            script.textContent = userscript;
            document.body.appendChild(script);
            script.remove();
        }
    };

    applyAll();

    if (!location.pathname.startsWith('/settings')) return;

    // ---------- UI PANEL BELOW ONLY RENDERS ON /settings ----------
    function createStyledButton(text, onClick) {
        const btnWrapper = document.createElement('div');
        btnWrapper.className = 'styles__button___1_E-G-camelCase styles__upgradeButton___3UQMv-camelCase';
        btnWrapper.setAttribute('role', 'button');
        btnWrapper.setAttribute('tabindex', '0');

        const anchor = document.createElement('a');
        anchor.href = '#';
        anchor.style.textDecoration = 'none';
        anchor.addEventListener('click', e => {
            e.preventDefault();
            onClick();
        });

        const shadowDiv = document.createElement('div');
        shadowDiv.className = 'styles__shadow___3GMdH-camelCase';

        const edgeDiv = document.createElement('div');
        edgeDiv.className = 'styles__edge___3eWfq-camelCase';
        edgeDiv.style.backgroundColor = 'var(--secondary)';

        const frontDiv = document.createElement('div');
        frontDiv.className = 'styles__front___vcvuy-camelCase styles__upgradeButtonInside___396BT-camelCase';
        frontDiv.style.backgroundColor = 'var(--secondary)';
        frontDiv.style.display = 'flex';
        frontDiv.style.justifyContent = 'center';
        frontDiv.style.alignItems = 'center';
        frontDiv.textContent = text;

        anchor.appendChild(shadowDiv);
        anchor.appendChild(edgeDiv);
        anchor.appendChild(frontDiv);
        btnWrapper.appendChild(anchor);

        return btnWrapper;
    }

    function tryCloneGeneralBox() {
        const boxes = document.querySelectorAll('.styles__infoContainer___2uI-S-camelCase');
        for (const box of boxes) {
            const header = box.querySelector('.styles__infoHeader___1lsZY-camelCase');
            if (header?.textContent?.trim() === 'General') {
                const clone = box.cloneNode(true);
                clone.querySelector('.styles__infoHeader___1lsZY-camelCase').textContent = 'Scripts Manager';

                const oldIcon = clone.querySelector('i.fas.fa-cog.styles__headerIcon___1ykdN-camelCase');
                if (oldIcon) {
                    const icon = document.createElement('i');
                    icon.className = 'fas fa-plus styles__headerIcon___1ykdN-camelCase';
                    icon.setAttribute('aria-hidden', 'true');
                    oldIcon.replaceWith(icon);
                }

                clone.querySelectorAll('a.styles__link___5UR6_-camelCase').forEach(link => link.remove());

                const btn = createStyledButton('Manage Scripts', () => {
                    const modal = document.getElementById('bb_scriptsManagerModal');
                    if (modal) modal.style.visibility = 'visible';
                });

                clone.appendChild(btn);
                box.parentNode.insertBefore(clone, box.nextSibling);
                break;
            }
        }
    }

    function addModal() {
        if (document.getElementById('bb_scriptsManagerModal')) return;

        const overlay = document.createElement('div');
        overlay.id = 'bb_scriptsManagerModal';
        Object.assign(overlay.style, {
            position: 'fixed', top: 0, left: 0,
            width: '100vw', height: '100vh',
            backgroundColor: 'rgba(0,0,0,0.7)',
            display: 'flex', justifyContent: 'center', alignItems: 'center',
            zIndex: 9999, visibility: 'hidden',
        });

        const modal = document.createElement('div');
        modal.style.background = '#1e1e1e';
        modal.style.borderRadius = '8px';
        modal.style.padding = '20px';
        modal.style.maxWidth = '600px';
        modal.style.width = '100%';
        modal.style.color = '#fff';

        const header = document.createElement('div');
        header.style.display = 'flex';
        header.style.alignItems = 'center';
        header.style.marginBottom = '10px';

        const icon = document.createElement('i');
        icon.className = 'fas fa-plus styles__headerIcon___1ykdN-camelCase';
        icon.setAttribute('aria-hidden', 'true');
        icon.style.marginRight = '10px';

        const title = document.createElement('div');
        title.className = 'styles__infoHeader___1lsZY-camelCase';
        title.textContent = 'Manage Scripts';

        const close = document.createElement('div');
        close.textContent = '×';
        close.style.marginLeft = 'auto';
        close.style.cursor = 'pointer';
        close.onclick = () => overlay.style.visibility = 'hidden';

        header.appendChild(icon);
        header.appendChild(title);
        header.appendChild(close);
        modal.appendChild(header);

        const editors = [
            { id: 'userscript', label: 'Userscript JS', placeholder: '// Paste userscript here' },
            { id: 'css', label: 'CSS', placeholder: '/* Paste CSS here */' },
            { id: 'js', label: 'JavaScript', placeholder: '// Paste JavaScript here' }
        ];

        editors.forEach(({ id, label, placeholder }) => {
            const wrap = document.createElement('div');
            wrap.style.marginBottom = '16px';

            const l = document.createElement('label');
            l.textContent = label;

            const ta = document.createElement('textarea');
            ta.placeholder = placeholder;
            ta.id = 'bb_' + id + '_textarea';
            ta.value = localStorage.getItem('bb_saved_' + id) || '';
            Object.assign(ta.style, {
                width: '100%', height: '100px', background: '#111', color: '#fff',
                border: '1px solid #444', borderRadius: '4px', padding: '6px',
                marginTop: '6px', fontFamily: 'monospace'
            });

            const btnWrap = document.createElement('div');
            btnWrap.style.marginTop = '6px';
            btnWrap.style.display = 'flex';
            btnWrap.style.gap = '10px';

            const apply = createStyledButton('Apply', () => {
                const val = ta.value;
                localStorage.setItem('bb_saved_' + id, val);
                applyAll();
            });

            const remove = createStyledButton('Remove', () => {
                ta.value = '';
                localStorage.removeItem('bb_saved_' + id);
                if (id === 'css') {
                    const el = document.getElementById('bb_injectedCSS');
                    if (el) el.remove();
                }
            });

            btnWrap.appendChild(apply);
            btnWrap.appendChild(remove);

            wrap.appendChild(l);
            wrap.appendChild(ta);
            wrap.appendChild(btnWrap);

            modal.appendChild(wrap);
        });

        overlay.appendChild(modal);
        document.body.appendChild(overlay);
    }

    // Run UI creation on settings page only
    tryCloneGeneralBox();
    addModal();
})();