Adds buttons to Debrid Media Manager for applying Trash Guide regex patterns.
Version au
// ==UserScript==
// @name DMM - Add Trash Guide Regex Buttons
// @version 2.1.1
// @description Adds buttons to Debrid Media Manager for applying Trash Guide regex patterns.
// @author Journey Over
// @license MIT
// @match *://debridmediamanager.com/*
// @require https://cdn.jsdelivr.net/gh/StylusThemes/Userscripts@946506d5c467093a8ccf5ebc7c8fa5938ebcd62a/libs/dmm/button-data.min.js
// @grant none
// @icon https://www.google.com/s2/favicons?sz=64&domain=debridmediamanager.com
// @homepageURL https://github.com/StylusThemes/Userscripts
// @namespace https://greasyfork.org/users/32214
// ==/UserScript==
(function() {
'use strict';
/* ===========================
Config
=========================== */
const CONFIG = {
CONTAINER_SELECTOR: '.mb-2',
RELEVANT_PAGE_RX: /debridmediamanager\.com\/(movie|show)\/[^\/]+/,
DEBOUNCE_MS: 120,
MAX_RETRIES: 20,
CSS_CLASS_PREFIX: 'dmm-tg',
};
// external data expected to be an array on window.DMM_BUTTON_DATA
const BUTTON_DATA = Array.isArray(window?.DMM_BUTTON_DATA) ? window.DMM_BUTTON_DATA : [];
/* ===========================
Small helpers
=========================== */
const qs = (sel, root = document) => root.querySelector(sel);
const qsa = (sel, root = document) => Array.from(root.querySelectorAll(sel));
const isVisible = el => !!(el && el.offsetParent !== null && getComputedStyle(el).visibility !== 'hidden');
const getNativeValueSetter = (el) => {
const proto = el instanceof HTMLInputElement ? HTMLInputElement.prototype : HTMLTextAreaElement.prototype;
const desc = Object.getOwnPropertyDescriptor(proto, 'value');
return desc && desc.set;
};
const setInputValueReactive = (el, value) => {
const nativeSetter = getNativeValueSetter(el);
if (nativeSetter) {
nativeSetter.call(el, value);
} else {
el.value = value;
}
// focus + move cursor to end
try {
el.focus();
} catch (e) {}
try {
if (typeof el.setSelectionRange === 'function') el.setSelectionRange(value.length, value.length);
} catch (e) {}
// events
el.dispatchEvent(new Event('input', {
bubbles: true
}));
el.dispatchEvent(new Event('change', {
bubbles: true
}));
// React internals fallback
try {
if (el._valueTracker && typeof el._valueTracker.setValue === 'function') {
el._valueTracker.setValue(value);
}
} catch (e) {}
};
// debounce helper
const debounce = (fn, ms) => {
let t;
return (...args) => {
clearTimeout(t);
t = setTimeout(() => fn(...args), ms);
};
};
/* ===========================
Inject CSS
=========================== */
(function injectStyles() {
const p = CONFIG.CSS_CLASS_PREFIX;
const css = `
/* Button style aligned with site's small chips/buttons */
.${p}-btn{cursor:pointer;display:inline-flex;align-items:center;gap:.35rem;margin-right:.5rem;padding:.25rem .5rem;font-size:12px;line-height:1;border-radius:.375rem;color:#e6f0ff;background:rgba(15,23,42,.5);border:1px solid rgba(59,130,246,.55);box-shadow:none;user-select:none;white-space:nowrap;}
.${p}-btn:hover{background:rgba(59,130,246,.08);}
.${p}-btn:focus{outline:2px solid rgba(59,130,246,.18);outline-offset:2px;}
.${p}-chev{width:12px;height:12px;color:rgba(226,240,255,.95);margin-left:.15rem;display:inline-block;transition:transform 160ms ease;transform-origin:center;}
.${p}-btn[aria-expanded="true"] .${p}-chev{transform:rotate(180deg);}
.${p}-menu{position:absolute;min-width:10rem;background:#111827;color:#fff;border:1px solid rgba(148,163,184,.06);border-radius:.375rem;box-shadow:0 6px 18px rgba(2,6,23,.6);padding:.25rem 0;z-index:9999;display:none;}
.${p}-menu::before{content:"";position:absolute;top:-6px;left:12px;width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;border-bottom:6px solid #111827;}
.${p}-item{padding:.45rem .75rem;cursor:pointer;font-size:13px;white-space:nowrap;border-bottom:1px solid rgba(255,255,255,.03);}
.${p}-item:last-child{border-bottom:none;}
.${p}-item:hover{background:#1f2937;}
`;
const style = document.createElement('style');
style.textContent = css;
document.head.appendChild(style);
})();
/* ===========================
ButtonManager - manages dropdowns and interactions
=========================== */
class ButtonManager {
constructor() {
/** Map<string, {button:HTMLElement, menu:HTMLElement}> */
this.dropdowns = new Map();
this.container = null;
this.openMenu = null;
this.documentClickHandler = this.onDocumentClick.bind(this);
this.resizeHandler = this.onWindowResize.bind(this);
this.keydownHandler = this.onDocumentKeydown.bind(this);
}
cleanup() {
// remove elements & listeners
for (const {
button,
menu
}
of this.dropdowns.values()) {
button.remove();
menu.remove();
}
this.dropdowns.clear();
this.container = null;
this.openMenu = null;
document.removeEventListener('click', this.documentClickHandler, true);
document.removeEventListener('keydown', this.keydownHandler);
window.removeEventListener('resize', this.resizeHandler);
}
initialize(container) {
if (!container || this.container === container) return;
this.cleanup();
this.container = container;
BUTTON_DATA.forEach(spec => {
const name = String(spec.name || 'Pattern');
if (this.dropdowns.has(name)) return;
const btn = this._createButton(name);
const menu = this._createMenu(spec.buttonData || [], name);
document.body.appendChild(menu);
this.container.appendChild(btn);
this.dropdowns.set(name, {
button: btn,
menu
});
// attach button click
btn.addEventListener('click', (ev) => {
ev.stopPropagation();
this.toggleMenu(name);
});
});
// global handlers for closing
document.addEventListener('click', this.documentClickHandler, true);
document.addEventListener('keydown', this.keydownHandler);
window.addEventListener('resize', this.resizeHandler);
}
onDocumentKeydown(e) {
if (!this.openMenu) return;
if (e.key === 'Escape' || e.key === 'Esc') {
e.preventDefault();
this.closeOpenMenu();
}
}
_createButton(name) {
const btn = document.createElement('button');
btn.type = 'button';
btn.className = `${CONFIG.CSS_CLASS_PREFIX}-btn`;
// label text node for accessibility
const label = document.createTextNode(name);
btn.appendChild(label);
// append small chevron svg for dropdown affordance
const svgNs = 'http://www.w3.org/2000/svg';
const chev = document.createElementNS(svgNs, 'svg');
chev.setAttribute('viewBox', '0 0 20 20');
chev.setAttribute('aria-hidden', 'true');
chev.setAttribute('class', `${CONFIG.CSS_CLASS_PREFIX}-chev`);
chev.innerHTML = '<path d="M6 8l4 4 4-4" fill="none" stroke="currentColor" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round" />';
btn.appendChild(chev);
btn.setAttribute('aria-haspopup', 'true');
btn.setAttribute('aria-expanded', 'false');
btn.tabIndex = 0;
return btn;
}
_createMenu(items = [], name) {
const menu = document.createElement('div');
menu.className = `${CONFIG.CSS_CLASS_PREFIX}-menu`;
menu.dataset.owner = name;
items.forEach(it => {
const item = document.createElement('div');
item.className = `${CONFIG.CSS_CLASS_PREFIX}-item`;
item.textContent = it.name || it.value || 'apply';
item.addEventListener('click', (ev) => {
ev.stopPropagation();
this.onSelectPattern(it.value, it.name);
this.closeOpenMenu();
});
menu.appendChild(item);
});
return menu;
}
toggleMenu(name) {
const entry = this.dropdowns.get(name);
if (!entry) return;
const {
button,
menu
} = entry;
if (this.openMenu && this.openMenu !== menu) this.openMenu.style.display = 'none';
if (menu.style.display === 'block') {
menu.style.display = 'none';
button.setAttribute('aria-expanded', 'false');
this.openMenu = null;
} else {
this.positionMenuUnderButton(menu, button);
menu.style.display = 'block';
button.setAttribute('aria-expanded', 'true');
this.openMenu = menu;
}
}
positionMenuUnderButton(menu, button) {
const rect = button.getBoundingClientRect();
// Keep menu within viewport horizontally if possible
const left = Math.max(8, rect.left);
const top = window.scrollY + rect.bottom + 6;
menu.style.left = `${left}px`;
menu.style.top = `${top}px`;
}
onDocumentClick(e) {
if (!this.openMenu) return;
const target = e.target;
// if clicked inside openMenu or the corresponding button, ignore
const matchingButton = Array.from(this.dropdowns.values()).find(v => v.menu === this.openMenu)?.button;
if (matchingButton && (matchingButton.contains(target) || this.openMenu.contains(target))) return;
this.closeOpenMenu();
}
onWindowResize() {
if (!this.openMenu) return;
// reposition if open
const owner = this.openMenu.dataset.owner;
const entry = this.dropdowns.get(owner);
if (entry) this.positionMenuUnderButton(entry.menu, entry.button);
}
closeOpenMenu() {
if (!this.openMenu) return;
const owner = this.openMenu.dataset.owner;
const entry = this.dropdowns.get(owner);
if (entry) entry.button.setAttribute('aria-expanded', 'false');
this.openMenu.style.display = 'none';
this.openMenu = null;
}
onSelectPattern(value, name) {
// Try target in container first, then visible input/textarea
let target = null;
if (this.container) {
target = this.container.querySelector('input, textarea');
if (target && !isVisible(target)) target = null;
}
if (!target) {
const cand = qsa('input, textarea');
target = cand.find(isVisible) || null;
}
if (!target) return;
try {
setInputValueReactive(target, value || '');
} catch (err) {
console.error('dmm-tg: failed to set input value', err, {
value,
name
});
}
}
}
/* ===========================
PageManager - watches for SPA navigations / DOM changes
=========================== */
class PageManager {
constructor() {
this.buttonManager = new ButtonManager();
this.lastUrl = location.href;
this.mutationObserver = null;
this.retry = 0;
this.debouncedCheck = debounce(this.checkPage.bind(this), CONFIG.DEBOUNCE_MS);
this.setupHistoryHooks();
this.setupMutationObserver();
this.checkPage(); // initial
}
setupHistoryHooks() {
const push = history.pushState;
const replace = history.replaceState;
history.pushState = function pushState(...args) {
push.apply(this, args);
window.dispatchEvent(new Event('dmm:nav'));
};
history.replaceState = function replaceState(...args) {
replace.apply(this, args);
window.dispatchEvent(new Event('dmm:nav'));
};
window.addEventListener('popstate', () => window.dispatchEvent(new Event('dmm:nav')));
window.addEventListener('hashchange', () => window.dispatchEvent(new Event('dmm:nav')));
window.addEventListener('dmm:nav', () => {
this.buttonManager.cleanup();
this.debouncedCheck();
});
}
setupMutationObserver() {
if (this.mutationObserver) this.mutationObserver.disconnect();
this.mutationObserver = new MutationObserver((mutations) => {
for (const m of mutations) {
if (m.type === 'childList' && m.addedNodes.length > 0) {
this.debouncedCheck();
break;
}
}
});
this.mutationObserver.observe(document.body, {
childList: true,
subtree: true
});
}
checkPage() {
const url = location.href;
// Only operate on target pages
if (!CONFIG.RELEVANT_PAGE_RX.test(url)) {
this.buttonManager.cleanup();
this.lastUrl = url;
return;
}
// find container
const container = qs(CONFIG.CONTAINER_SELECTOR);
if (!container) {
// limited retries to catch late-loading DOM (e.g. framework renders)
if (this.retry < CONFIG.MAX_RETRIES) {
this.retry++;
setTimeout(() => this.debouncedCheck(), 150);
} else {
this.retry = 0;
}
return;
}
this.retry = 0;
// init manager
this.buttonManager.initialize(container);
this.lastUrl = url;
}
}
/* ===========================
Boot
=========================== */
function ready(fn) {
if (document.readyState !== 'loading') fn();
else document.addEventListener('DOMContentLoaded', fn);
}
ready(() => {
try {
// only continue if we have patterns to show
if (!BUTTON_DATA.length) return;
// start page manager
new PageManager();
} catch (err) {
console.error('dmm-tg boot error', err);
}
});
})();