Hide posts and comments containing specified keywords on Reddit, including plural forms
当前为
// ==UserScript==
// @name Filter Reddit
// @namespace https://greasyfork.org/en/users/567951-stuart-saddler
// @version 1.9
// @description Hide posts and comments containing specified keywords on Reddit, including plural forms
// @author Stuart Saddler
// @license MIT
// @icon https://clipart-library.com/images_k/smoke-clipart-transparent/smoke-clipart-transparent-6.png
// @supportURL https://greasyfork.org/en/users/567951-stuart-saddler
// @match *://www.reddit.com/*
// @match *://old.reddit.com/*
// @run-at document-end
// @grant GM.getValue
// @grant GM.setValue
// @grant GM_addStyle
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// ==/UserScript==
(async function() {
'use strict';
let filteredCount = 0;
let menuCommand = null;
let processedPosts = new WeakSet();
let keywordsArray = [];
const CSS = `
.content-filtered {
display: none !important;
height: 0 !important;
overflow: hidden !important;
}
.reddit-filter-dialog {
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
background: white;
padding: 20px;
border-radius: 8px;
z-index: 1000000;
box-shadow: 0 4px 12px rgba(0,0,0,0.15);
min-width: 300px;
max-width: 500px;
font-family: Arial, sans-serif;
color: #333;
}
.reddit-filter-dialog h2 {
margin-top: 0;
color: #0079d3;
font-size: 1.5em;
font-weight: bold;
}
.reddit-filter-dialog p {
font-size: 0.9em;
margin-bottom: 10px;
color: #555;
}
.reddit-filter-dialog textarea {
width: 100%;
min-height: 200px;
margin: 10px 0;
padding: 8px;
border: 1px solid #ccc;
border-radius: 4px;
font-family: monospace;
background: #f9f9f9;
color: #000;
}
.reddit-filter-dialog .button-container {
display: flex;
justify-content: flex-end;
gap: 10px;
margin-top: 10px;
}
.reddit-filter-dialog button {
display: flex;
align-items: center;
justify-content: center;
padding: 8px 16px;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 1em;
text-align: center;
}
.reddit-filter-dialog .save-btn {
background-color: #0079d3;
color: white;
}
.reddit-filter-dialog .cancel-btn {
background-color: #f2f2f2;
color: #333;
}
.reddit-filter-dialog button:hover {
opacity: 0.9;
}
.reddit-filter-overlay {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: rgba(0,0,0,0.5);
z-index: 999999;
}
`;
// Add CSS
if (typeof GM_addStyle !== 'undefined') {
GM_addStyle(CSS);
} else {
const style = document.createElement('style');
style.textContent = CSS;
document.head.appendChild(style);
}
// Function to escape special regex characters in keywords
function escapeRegExp(string) {
return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
}
async function showConfig() {
const overlay = document.createElement('div');
overlay.className = 'reddit-filter-overlay';
const dialog = document.createElement('div');
dialog.className = 'reddit-filter-dialog';
dialog.innerHTML = `
<h2 style="margin-top: 0;">Reddit Filter Keywords</h2>
<p>Enter keywords one per line. Filtering is case-insensitive and matches common plural forms (e.g., "apple" blocks "apples"). Irregular plurals (e.g., "mouse" and "mice") must be added separately.</p>
<textarea spellcheck="false">${keywordsArray.join('\n')}</textarea>
<div class="button-container">
<button class="cancel-btn">Cancel</button>
<button class="save-btn">Save</button>
</div>
`;
document.body.appendChild(overlay);
document.body.appendChild(dialog);
const closeDialog = () => {
dialog.remove();
overlay.remove();
};
dialog.querySelector('.save-btn').addEventListener('click', async () => {
const newKeywords = dialog.querySelector('textarea').value
.split('\n')
.map(k => k.trim().toLowerCase()) // Convert each keyword to lowercase
.filter(k => k.length > 0);
await GM.setValue('filterKeywords', newKeywords);
keywordsArray = newKeywords; // Update keywordsArray after saving
closeDialog();
location.reload();
});
dialog.querySelector('.cancel-btn').addEventListener('click', closeDialog);
overlay.addEventListener('click', closeDialog);
}
function updateCounter() {
if (menuCommand) {
GM_unregisterMenuCommand(menuCommand);
}
menuCommand = GM_registerMenuCommand(
`Configure Filter Keywords (${filteredCount} blocked)`,
showConfig
);
}
function processPost(post) {
if (!post || processedPosts.has(post) || keywordsArray.length === 0) return;
processedPosts.add(post);
const postContent = post.textContent.toLowerCase();
if (keywordsArray.some(keyword => {
const escapedKeyword = escapeRegExp(keyword);
const pattern = new RegExp(`\\b${escapedKeyword}(s|es|ies)?\\b`, 'i');
return pattern.test(postContent);
})) {
post.classList.add('content-filtered');
const parentArticle = post.closest('article, div[data-testid="post-container"]');
if (parentArticle) {
parentArticle.classList.add('content-filtered');
}
filteredCount++;
updateCounter();
}
}
async function init() {
keywordsArray = await GM.getValue('filterKeywords', []);
// Ensure keywords are in lowercase (in case they were saved before the change)
keywordsArray = keywordsArray.map(k => k.toLowerCase());
// Initialize menu
updateCounter();
const observer = new MutationObserver((mutations) => {
for (const mutation of mutations) {
for (const node of mutation.addedNodes) {
if (node.nodeType === Node.ELEMENT_NODE) {
if (node.matches('article, div[data-testid="post-container"], shreddit-post')) {
processPost(node);
}
node.querySelectorAll('article, div[data-testid="post-container"], shreddit-post')
.forEach(processPost);
}
}
}
});
observer.observe(document.body, {
childList: true,
subtree: true
});
// Initial processing
document.querySelectorAll('article, div[data-testid="post-container"], shreddit-post')
.forEach(processPost);
}
await init(); // Ensure init runs immediately
})();