Filter videos by channel/keyword, with dropdown "Block Channel" button and menu commands to manage filter lists, plus import/export functionality.
// ==UserScript==
// @name DEOVRContentFilter
// @namespace http://tampermonkey.net/
// @version 1.0
// @description Filter videos by channel/keyword, with dropdown "Block Channel" button and menu commands to manage filter lists, plus import/export functionality.
// @author Twine1481
// @match https://deovr.com/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=deovr.com
// @grant unsafeWindow
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_registerMenuCommand
// @run-at document-idle
// @license MIT
// ==/UserScript==
(function() {
"use strict";
const SCRIPT_PREFIX = "[DEOVRContentFilter]";
console.log(`${SCRIPT_PREFIX} Script starting up...`);
// -------------------------------------------------------------------------
// 1) CONFIGURATION
// -------------------------------------------------------------------------
// Storage keys for persistence
const STORAGE = {
CHANNELS: "filteredChannels",
KEYWORDS: "filteredKeywords"
};
// Default filter lists (content-agnostic)
const DEFAULT_CONFIG = {
// Add your default filtered channels here
filteredChannels: [
// Empty by default
],
// Add your default filtered keywords here
filteredKeywords: [
// Empty by default
]
};
// -------------------------------------------------------------------------
// 2) STATE MANAGEMENT
// -------------------------------------------------------------------------
/**
* State management object for filter lists
*/
const FilterState = {
// Current filter lists
filteredChannels: [],
filteredKeywords: [],
/**
* Initialize filter state from storage
*/
initialize() {
// Load stored channels
const storedChannels = GM_getValue(STORAGE.CHANNELS);
const normalizedStoredChannels = Array.isArray(storedChannels)
? storedChannels.map(ch => ch.toLowerCase())
: [];
// Load stored keywords
const storedKeywords = GM_getValue(STORAGE.KEYWORDS);
const normalizedStoredKeywords = Array.isArray(storedKeywords)
? storedKeywords.map(kw => kw.toLowerCase())
: [];
// Merge default with stored values (removing duplicates)
this.filteredChannels = [...new Set([
...DEFAULT_CONFIG.filteredChannels.map(ch => ch.toLowerCase()),
...normalizedStoredChannels
])];
this.filteredKeywords = [...new Set([
...DEFAULT_CONFIG.filteredKeywords.map(kw => kw.toLowerCase()),
...normalizedStoredKeywords
])];
// Log state
this._logState();
},
/**
* Add a channel to the filter list
* @param {string} channel - Channel name to add
* @returns {boolean} - Whether the channel was added
*/
addChannel(channel) {
if (!channel || typeof channel !== 'string') return false;
const normalizedChannel = channel.toLowerCase().trim();
if (!normalizedChannel) return false;
if (this.filteredChannels.includes(normalizedChannel)) {
return false; // Already in the list
}
this.filteredChannels.push(normalizedChannel);
this._persistChannels();
return true;
},
/**
* Remove a channel from the filter list
* @param {string} channel - Channel name to remove
* @returns {boolean} - Whether the channel was removed
*/
removeChannel(channel) {
if (!channel || typeof channel !== 'string') return false;
const normalizedChannel = channel.toLowerCase().trim();
if (!normalizedChannel) return false;
const initialLength = this.filteredChannels.length;
this.filteredChannels = this.filteredChannels.filter(ch => ch !== normalizedChannel);
if (this.filteredChannels.length !== initialLength) {
this._persistChannels();
return true;
}
return false;
},
/**
* Add a keyword to the filter list
* @param {string} keyword - Keyword to add
* @returns {boolean} - Whether the keyword was added
*/
addKeyword(keyword) {
if (!keyword || typeof keyword !== 'string') return false;
const normalizedKeyword = keyword.toLowerCase().trim();
if (!normalizedKeyword) return false;
if (this.filteredKeywords.includes(normalizedKeyword)) {
return false; // Already in the list
}
this.filteredKeywords.push(normalizedKeyword);
this._persistKeywords();
return true;
},
/**
* Remove a keyword from the filter list
* @param {string} keyword - Keyword to remove
* @returns {boolean} - Whether the keyword was removed
*/
removeKeyword(keyword) {
if (!keyword || typeof keyword !== 'string') return false;
const normalizedKeyword = keyword.toLowerCase().trim();
if (!normalizedKeyword) return false;
const initialLength = this.filteredKeywords.length;
this.filteredKeywords = this.filteredKeywords.filter(kw => kw !== normalizedKeyword);
if (this.filteredKeywords.length !== initialLength) {
this._persistKeywords();
return true;
}
return false;
},
/**
* Check if content should be filtered based on current filters
* @param {string} text - Text content to check
* @returns {Object} - Result with match details
*/
shouldFilter(text) {
if (!text || typeof text !== 'string') {
return { shouldFilter: false };
}
const normalizedText = text.toLowerCase();
// Check for channel match
const channelMatch = this.filteredChannels.some(channel =>
normalizedText.includes(channel));
// Check for keyword match
const keywordMatch = this.filteredKeywords.some(keyword =>
normalizedText.includes(keyword));
return {
shouldFilter: channelMatch || keywordMatch,
channelMatch,
keywordMatch
};
},
/**
* Persist channels to storage
* @private
*/
_persistChannels() {
GM_setValue(STORAGE.CHANNELS, this.filteredChannels);
},
/**
* Persist keywords to storage
* @private
*/
_persistKeywords() {
GM_setValue(STORAGE.KEYWORDS, this.filteredKeywords);
},
/**
* Log current state to console
* @private
*/
_logState() {
console.log(`${SCRIPT_PREFIX} Filtered Channels:`, this.filteredChannels);
console.log(`${SCRIPT_PREFIX} Filtered Keywords:`, this.filteredKeywords);
}
};
// -------------------------------------------------------------------------
// 3) DOM INTERACTION
// -------------------------------------------------------------------------
/**
* DOM utilities for filtering content and UI modifications
*/
const DOMManager = {
/**
* Filter videos based on current filter state
*/
filterContent() {
console.log(`${SCRIPT_PREFIX} Filtering content...`);
const articles = document.querySelectorAll("article");
console.log(`${SCRIPT_PREFIX} Found ${articles.length} items to check.`);
let filteredCount = 0;
articles.forEach(article => {
const articleText = article.textContent;
const result = FilterState.shouldFilter(articleText);
if (result.shouldFilter) {
article.style.display = "none";
filteredCount++;
console.log(
`${SCRIPT_PREFIX} Filtered item:`,
article,
`channelMatch=${result.channelMatch}`,
`keywordMatch=${result.keywordMatch}`
);
}
});
console.log(`${SCRIPT_PREFIX} Filtered ${filteredCount} of ${articles.length} items.`);
},
/**
* Inject "Block Channel" button into dropdown menu
* @param {HTMLElement} dropdownMenu - The dropdown menu element
*/
injectBlockButton(dropdownMenu) {
// Avoid duplicates
if (dropdownMenu.querySelector(".filter-option")) return;
const listItem = document.createElement("li");
listItem.classList.add("filter-option");
listItem.innerHTML = `
<div class="u-cursor--pointer u-fs--fo u-p--four u-lh--one u-block u-nowrap u-transition--base js-m-dropdown" data-qa="block-channel" style="display: flex; align-items: center;">
<span class="o-icon u-mr--three u-dg" style="width:18px;">
<svg class="o-icon" style="pointer-events: none; display: block; width: 100%; height: 100%;"
viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
<path fill="currentColor" d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 18c-4.42 0-8-3.58-8-8 0-1.85.63-3.55 1.69-4.9L16.9 18.31C15.55 19.37 13.85 20 12 20zm6.31-3.1L7.1 5.69C8.45 4.63 10.15 4 12 4c4.42 0 8 3.58 8 8 0 1.85-.63 3.55-1.69 4.9z"></path>
</svg>
</span>
<span class="u-inline-block u-align-y--m u-mr--four u-ug u-fw--semibold u-uppercase hover:u-bl">Block Channel</span>
</div>
`;
// Add click handler
listItem.addEventListener("click", () => this._handleBlockChannelClick(dropdownMenu));
// Add to dropdown
dropdownMenu.appendChild(listItem);
console.log(`${SCRIPT_PREFIX} Block button added to dropdown menu:`, dropdownMenu);
},
/**
* Scan existing dropdowns for adding block buttons
*/
scanExistingDropdowns() {
console.log(`${SCRIPT_PREFIX} Scanning for existing dropdown menus...`);
const dropdowns = document.querySelectorAll(
"#content .m-dropdown.m-dropdown--grid-item .m-dropdown-content ul.u-list.u-l"
);
console.log(`${SCRIPT_PREFIX} Found ${dropdowns.length} existing dropdown menu(s).`);
dropdowns.forEach(dropdown => this.injectBlockButton(dropdown));
},
/**
* Set up observer for dynamically added dropdowns
*/
setupDynamicObserver() {
const contentElement = document.querySelector("#content") || document.body;
const observer = new MutationObserver(mutations => {
mutations.forEach(mutation => {
mutation.addedNodes.forEach(node => {
if (node.nodeType === Node.ELEMENT_NODE) {
// Check if the added node is a dropdown menu
if (node.matches && node.matches(".m-dropdown-content ul.u-list.u-l")) {
this.injectBlockButton(node);
} else {
// Check for dropdown menus within the added node
const nestedDropdowns = node.querySelectorAll ?
node.querySelectorAll(".m-dropdown-content ul.u-list.u-l") :
[];
nestedDropdowns.forEach(dropdown => this.injectBlockButton(dropdown));
}
}
});
});
});
observer.observe(contentElement, { childList: true, subtree: true });
console.log(`${SCRIPT_PREFIX} Dynamic observer set up for new dropdown menus.`);
},
/**
* Handle click on "Block Channel" button
* @private
* @param {HTMLElement} dropdownMenu - The dropdown menu element
*/
_handleBlockChannelClick(dropdownMenu) {
console.log(`${SCRIPT_PREFIX} Block Channel button clicked.`);
// Find parent article
const article = dropdownMenu.closest("article");
if (!article) {
console.warn(`${SCRIPT_PREFIX} Could not find parent article.`);
return;
}
// Find channel link
const channelLink = article.querySelector('a[href^="/channel/"]');
if (!channelLink) {
console.warn(`${SCRIPT_PREFIX} No channel link found.`);
return;
}
// Get channel name
let channelName = channelLink.dataset.amplitudePropsChannel;
if (!channelName || !channelName.trim()) {
channelName = channelLink.textContent.trim();
}
channelName = channelName.toLowerCase();
// Validate channel name
if (channelName.length < 2) {
if (!confirm(`Channel name is "${channelName}" (very short). Block anyway?`)) {
return;
}
}
// Add to filter list
if (FilterState.addChannel(channelName)) {
alert(`Channel "${channelName}" added to block list.\nFiltering matching content...`);
this.filterContent();
} else {
alert(`Channel "${channelName}" is already blocked.`);
}
}
};
// -------------------------------------------------------------------------
// 4) USER INTERFACE - MENU COMMANDS
// -------------------------------------------------------------------------
/**
* User interface for managing filter lists
*/
const UserInterface = {
/**
* Register all Tampermonkey menu commands
*/
registerMenuCommands() {
GM_registerMenuCommand("Add Blocked Channel", () => this.addChannel());
GM_registerMenuCommand("Remove Blocked Channel", () => this.removeChannel());
GM_registerMenuCommand("Add Blocked Keyword", () => this.addKeyword());
GM_registerMenuCommand("Remove Blocked Keyword", () => this.removeKeyword());
GM_registerMenuCommand("Export Filter Lists", () => this.exportFilters());
GM_registerMenuCommand("Import Filter Lists", () => this.importFilters());
console.log(`${SCRIPT_PREFIX} Menu commands registered.`);
},
/**
* Prompt user to add a channel to the filter list
*/
addChannel() {
const newChannel = prompt("Enter channel name to block:").trim();
if (!newChannel) return;
if (FilterState.addChannel(newChannel)) {
alert(`Channel "${newChannel}" added. Reload the page to update.`);
} else {
alert(`Channel "${newChannel}" is already blocked.`);
}
},
/**
* Prompt user to remove a channel from the filter list
*/
removeChannel() {
if (FilterState.filteredChannels.length === 0) {
alert("No blocked channels.");
return;
}
const listStr = FilterState.filteredChannels.join("\n");
const toRemove = prompt("Blocked channels:\n" + listStr + "\n\nEnter channel name to remove:");
if (!toRemove) return;
if (FilterState.removeChannel(toRemove)) {
alert(`Channel "${toRemove}" removed. Reload the page to update.`);
} else {
alert(`Channel "${toRemove}" not found.`);
}
},
/**
* Prompt user to add a keyword to the filter list
*/
addKeyword() {
const newKeyword = prompt("Enter a keyword to block:").trim();
if (!newKeyword) return;
if (FilterState.addKeyword(newKeyword)) {
alert(`Keyword "${newKeyword}" added. Reload the page to update.`);
} else {
alert(`Keyword "${newKeyword}" is already blocked.`);
}
},
/**
* Prompt user to remove a keyword from the filter list
*/
removeKeyword() {
if (FilterState.filteredKeywords.length === 0) {
alert("No blocked keywords.");
return;
}
const listStr = FilterState.filteredKeywords.join("\n");
const toRemove = prompt("Blocked keywords:\n" + listStr + "\n\nEnter keyword to remove:");
if (!toRemove) return;
if (FilterState.removeKeyword(toRemove)) {
alert(`Keyword "${toRemove}" removed. Reload the page to update.`);
} else {
alert(`Keyword "${toRemove}" not found.`);
}
},
/**
* Export filter lists to JSON file
*/
exportFilters() {
const data = {
filteredChannels: FilterState.filteredChannels,
filteredKeywords: FilterState.filteredKeywords
};
const json = JSON.stringify(data, null, 2);
const blob = new Blob([json], { type: "application/json" });
const url = URL.createObjectURL(blob);
const downloadLink = document.createElement("a");
downloadLink.href = url;
downloadLink.download = "deovr_filter_lists.json";
downloadLink.click();
URL.revokeObjectURL(url);
},
/**
* Import filter lists from JSON file
* Uses a modal dialog approach to avoid browser security restrictions
*/
importFilters() {
console.log(`${SCRIPT_PREFIX} Starting import process with modal dialog...`);
// Create modal container
const modalOverlay = document.createElement('div');
modalOverlay.style.cssText = `
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.5);
z-index: 9999;
display: flex;
justify-content: center;
align-items: center;
`;
// Create modal dialog
const modalContent = document.createElement('div');
modalContent.style.cssText = `
background-color: white;
padding: 20px;
border-radius: 8px;
max-width: 500px;
width: 90%;
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
`;
// Create heading
const heading = document.createElement('h2');
heading.textContent = 'Import Filter Lists';
heading.style.cssText = `
margin-top: 0;
margin-bottom: 15px;
font-size: 18px;
`;
// Create description
const description = document.createElement('p');
description.textContent = 'Select a JSON file containing filter lists.';
description.style.marginBottom = '20px';
// Create file input
const fileInput = document.createElement('input');
fileInput.type = 'file';
fileInput.accept = 'application/json';
fileInput.style.display = 'block';
fileInput.style.marginBottom = '15px';
fileInput.style.width = '100%';
// Create buttons container
const buttonsContainer = document.createElement('div');
buttonsContainer.style.cssText = `
display: flex;
justify-content: flex-end;
gap: 10px;
`;
// Create cancel button
const cancelButton = document.createElement('button');
cancelButton.textContent = 'Cancel';
cancelButton.style.cssText = `
padding: 8px 16px;
background-color: #f1f1f1;
border: none;
border-radius: 4px;
cursor: pointer;
`;
// Create import button
const importButton = document.createElement('button');
importButton.textContent = 'Import';
importButton.style.cssText = `
padding: 8px 16px;
background-color: #4285f4;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
`;
importButton.disabled = true;
// Add event listener to enable import button when file is selected
fileInput.addEventListener('change', () => {
importButton.disabled = !fileInput.files || fileInput.files.length === 0;
});
// Add cancel button functionality
cancelButton.addEventListener('click', () => {
document.body.removeChild(modalOverlay);
});
// Add import button functionality
importButton.addEventListener('click', () => {
const file = fileInput.files[0];
if (!file) return;
console.log(`${SCRIPT_PREFIX} Reading file: ${file.name}`);
const reader = new FileReader();
// Handle file reading errors
reader.onerror = error => {
console.error(`${SCRIPT_PREFIX} Error reading file:`, error);
alert(`Error reading file: ${error.message || "Unknown error"}`);
document.body.removeChild(modalOverlay);
};
// Process file contents when loaded
reader.onload = e => {
console.log(`${SCRIPT_PREFIX} File read complete, processing content...`);
try {
const imported = JSON.parse(e.target.result);
console.log(`${SCRIPT_PREFIX} Parsed JSON:`, imported);
let updated = false;
// Support both new and old property names for backward compatibility
// Check for channels (new property name)
if (imported.filteredChannels && Array.isArray(imported.filteredChannels)) {
console.log(`${SCRIPT_PREFIX} Importing filtered channels:`, imported.filteredChannels);
FilterState.filteredChannels = imported.filteredChannels.map(ch => ch.toLowerCase());
FilterState._persistChannels();
updated = true;
}
// Check for channels (old property name from original script)
else if (imported.blockedChannels && Array.isArray(imported.blockedChannels)) {
console.log(`${SCRIPT_PREFIX} Importing blocked channels (legacy format):`, imported.blockedChannels);
FilterState.filteredChannels = imported.blockedChannels.map(ch => ch.toLowerCase());
FilterState._persistChannels();
updated = true;
}
// Check for keywords (new property name)
if (imported.filteredKeywords && Array.isArray(imported.filteredKeywords)) {
console.log(`${SCRIPT_PREFIX} Importing filtered keywords:`, imported.filteredKeywords);
FilterState.filteredKeywords = imported.filteredKeywords.map(kw => kw.toLowerCase());
FilterState._persistKeywords();
updated = true;
}
// Check for keywords (old property name from original script)
else if (imported.blockedWords && Array.isArray(imported.blockedWords)) {
console.log(`${SCRIPT_PREFIX} Importing blocked words (legacy format):`, imported.blockedWords);
FilterState.filteredKeywords = imported.blockedWords.map(kw => kw.toLowerCase());
FilterState._persistKeywords();
updated = true;
}
document.body.removeChild(modalOverlay);
if (updated) {
alert("Filter lists imported successfully. Reload the page to update.");
} else {
alert("No valid filter lists found in the imported file.");
}
} catch (error) {
console.error(`${SCRIPT_PREFIX} JSON parsing error:`, error);
alert(`Error importing JSON: ${error.message}`);
document.body.removeChild(modalOverlay);
}
};
// Start reading the file as text
reader.readAsText(file);
});
// Assemble the modal
buttonsContainer.appendChild(cancelButton);
buttonsContainer.appendChild(importButton);
modalContent.appendChild(heading);
modalContent.appendChild(description);
modalContent.appendChild(fileInput);
modalContent.appendChild(buttonsContainer);
modalOverlay.appendChild(modalContent);
// Add modal to the page
document.body.appendChild(modalOverlay);
// Add click handler to close when clicking outside the modal
modalOverlay.addEventListener('click', (event) => {
if (event.target === modalOverlay) {
document.body.removeChild(modalOverlay);
}
});
}
};
// -------------------------------------------------------------------------
// 5) INITIALIZATION
// -------------------------------------------------------------------------
/**
* Initialize the script
*/
function initialize() {
// Initialize state
FilterState.initialize();
// Register menu commands
UserInterface.registerMenuCommands();
// Initial content filtering
DOMManager.filterContent();
// Set up UI
DOMManager.scanExistingDropdowns();
DOMManager.setupDynamicObserver();
console.log(`${SCRIPT_PREFIX} Script fully initialized!`);
}
// Start the script
initialize();
})();
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