Only keep replies with more than N reactions, or replies on Discourse forums
// ==UserScript==
// @name Filter Discourse Replies by Reactions or Replies
// @namespace https://greasyfork.org/users/HW101
// @version 0.1
// @description Only keep replies with more than N reactions, or replies on Discourse forums
// @author USCardForum Enthusiast
// @match https://www.uscardforum.com/*
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
const nReactions = 5;
const nReplies = 3;
// also return count of likes
function hasMoreThanNReactions(post, n) {
// Discourse likes are usually in a <button> with class 'like-count' or 'like'
// Sometimes the count is in a <span> with class 'like-count'
// get the descendant with class 'reactions-counter'
let reactionsCounter = post.querySelector('.reactions-counter');
if (reactionsCounter) {
let count = parseInt(reactionsCounter.textContent.trim(), 10);
return { has: !isNaN(count) && count >= n, count: count };
}
return { has: false, count: 0 };
}
// also return count of emojis
function hasMoreThanNReplies(post, n) {
let replies = post.querySelectorAll('.reply');
return { has: replies.length >= n, count: replies.length };
}
// Main filter function
function filterReplies() {
// Discourse replies are usually in <article> with class 'regular' or 'reply'
let posts = document.querySelectorAll('article.regular, article.reply, .topic-post');
for (let post of posts) {
// Skip if already processed
if (post.dataset.filteredByScript) continue;
// skip topic-owner
if (post.classList.contains('topic-owner') && post.dataset.postNumber == 1) continue;
let reactions = hasMoreThanNReactions(post, nReactions);
let replies = hasMoreThanNReplies(post, nReplies);
if (reactions.has || replies.has) {
// console.log(`Reply ${post.textContent.replace(/\s+/g, " ")} has ${reactions.count} reactions, and ${replies.count} replies, keeping`);
continue;
} else {
// console.log(`Reply ${post.textContent.replace(/\s+/g, " ")} has ${reactions.count} reactions, and ${replies.count} replies, removing`);
post.remove();
}
post.dataset.filteredByScript = "true";
}
}
// Helper to re-run filtering if enabled
function maybeFilterReplies() {
if (filteringEnabled) {
filterReplies();
}
}
// Run filter after page loads and after AJAX navigation
function maybeFilterRepliesWithDelay() {
setTimeout(maybeFilterReplies, 1000); // Wait for Discourse to render posts
}
let filteringEnabled = false;
// Create the floating button to enable/disable filtering
const filterToggleButton = document.createElement('button');
filterToggleButton.textContent = 'Enable Filtering';
filterToggleButton.style.position = 'fixed';
filterToggleButton.style.bottom = '24px';
filterToggleButton.style.right = '24px';
filterToggleButton.style.zIndex = '9999';
filterToggleButton.style.padding = '12px 18px';
filterToggleButton.style.background = '#2596be';
filterToggleButton.style.color = '#fff';
filterToggleButton.style.border = 'none';
filterToggleButton.style.borderRadius = '24px';
filterToggleButton.style.boxShadow = '0 2px 8px rgba(0,0,0,0.15)';
filterToggleButton.style.cursor = 'pointer';
filterToggleButton.style.fontSize = '16px';
filterToggleButton.style.opacity = '0.85';
filterToggleButton.style.transition = 'background 0.2s, opacity 0.2s';
filterToggleButton.addEventListener('mouseenter', () => {
filterToggleButton.style.opacity = '1';
});
filterToggleButton.addEventListener('mouseleave', () => {
filterToggleButton.style.opacity = '0.85';
});
document.body.appendChild(filterToggleButton);
// Toggle filtering on button click
filterToggleButton.addEventListener('click', () => {
filteringEnabled = !filteringEnabled;
filterToggleButton.textContent = filteringEnabled ? 'Disable Filtering' : 'Enable Filtering';
// If enabling, run filter immediately
if (filteringEnabled) {
filterReplies();
} else {
// Reload the page to restore all posts (simplest way)
location.reload();
}
});
// // Observe DOM changes (for infinite scroll or AJAX navigation)
const observer = new MutationObserver(maybeFilterRepliesWithDelay);
observer.observe(document.body, { childList: true, subtree: true });
// Initial run
maybeFilterReplies();
})();