Reddit Post Filter

Hide posts or comments containing specific keywords, by users, or comment authors, with toggle and settings popup

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

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

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Reddit Post Filter
// @namespace    http://tampermonkey.net/
// @version      2.0
// @description  Hide posts or comments containing specific keywords, by users, or comment authors, with toggle and settings popup
// @author       brfuk
// @license      MIT
// @match        *://www.reddit.com/*
// @grant        GM_setValue
// @grant        GM_getValue
// ==/UserScript==


(function() {
    'use strict';

    // Retrieve stored values
    let blockedKeywords = GM_getValue('blockedKeywords', ["test"]);
    let blockedUsers = GM_getValue('blockedUsers', ["test"]);
    let blockedCommenters = GM_getValue('blockedCommenters', ["test"]);
    let filterEnabled = GM_getValue('filterEnabled', true);

    // Add styles
    const style = `
        #popup-container {
            display: none;
            position: fixed;
            top: 10%;
            left: 50%;
            transform: translateX(-50%);
            background-color: white;
            border: 1px solid #ccc;
            padding: 10px;
            box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
            z-index: 9999;
            width: 300px;
            height: 500px;
            overflow: auto;
        }
        #popup-container h2 {
            text-align: center;
        }
        #popup-container label {
            display: block;
            margin-top: 5px;
        }
        #popup-container textarea {
            width: 100%;
            height: 95px;
            margin-top: 1px;
        }
        #popup-container button {
            display: block;
            width: 100%;
            margin-top: 1px;
            padding: 1px 1px;
            background-color: #4CAF50;
            color: white;
            border: none;
            cursor: pointer;
        }
        #popup-container button:hover {
            background-color: #45a049;
        }
        #open-popup-button {
            position: fixed;
            bottom: 10px;
            right: 10px;
            background-color: #4CAF50;
            color: white;
            border: none;
            padding: 5px 5px;
            cursor: pointer;
            font-size: 14px;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
            transition: background-color 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        #open-popup-button:hover {
            background-color: #45a049;
        }
    `;

    const popupContainer = document.createElement('div');
    popupContainer.id = 'popup-container';
    popupContainer.style.display = 'none';
    popupContainer.innerHTML = `
        <h2>Modify Keywords and Users</h2>
        <label for="enableFilter">
            <input type="checkbox" id="enableFilter" ${filterEnabled ? "checked" : ""}>
            Enable Filtering
        </label>

        <label for="keywords">Keywords:</label>
        <textarea id="keywords">${blockedKeywords.join("\n")}</textarea>

        <label for="users">Post Authors:</label>
        <textarea id="users">${blockedUsers.join("\n")}</textarea>

        <label for="commenters">Comment Authors:</label>
        <textarea id="commenters">${blockedCommenters.join("\n")}</textarea>

        <button id="save-button">Save</button>
    `;
    document.body.appendChild(popupContainer);

    const styleTag = document.createElement('style');
    styleTag.innerHTML = style;
    document.head.appendChild(styleTag);

    const openButton = document.createElement('button');
    openButton.id = 'open-popup-button';
    openButton.innerText = '⚙️';
    document.body.appendChild(openButton);

    openButton.addEventListener('click', () => {
        popupContainer.style.display = 'block';
    });

    document.getElementById('save-button').addEventListener('click', () => {
        const updatedKeywords = document.getElementById('keywords').value.split("\n").filter(k => k.trim() !== "");
        const updatedUsers = document.getElementById('users').value.split("\n").filter(u => u.trim() !== "");
        const updatedCommenters = document.getElementById('commenters').value.split("\n").filter(c => c.trim() !== "");
        const enableFilter = document.getElementById('enableFilter').checked;

        GM_setValue('blockedKeywords', updatedKeywords);
        GM_setValue('blockedUsers', updatedUsers);
        GM_setValue('blockedCommenters', updatedCommenters);
        GM_setValue('filterEnabled', enableFilter);

        blockedKeywords = updatedKeywords;
        blockedUsers = updatedUsers;
        blockedCommenters = updatedCommenters;
        filterEnabled = enableFilter;

        popupContainer.style.display = 'none';
        hideBlockedPosts();
        hideBlockedComments();
    });

    window.addEventListener('keydown', (event) => {
        if (event.ctrlKey && event.key === 'z') {
            popupContainer.style.display = 'block';
        }
    });

//     window.addEventListener('keydown', (event) => {
//         if (event.key === 'Escape') {
//             popupContainer.style.display = 'none';
//         }
//     });

    let escInterceptor = (event) => {
        if (event.key === 'Escape') {
            event.stopImmediatePropagation();
            event.preventDefault();
            popupContainer.style.display = 'none';
            window.removeEventListener('keydown', escInterceptor, true); // ✅ 弹窗关闭后移除拦截器
        }
    };

    window.addEventListener('keydown', (event) => {
        if (event.ctrlKey && event.key === 'z') {
            popupContainer.style.display = 'block';
            window.addEventListener('keydown', escInterceptor, true); // ✅ 弹窗打开时添加拦截器
        }
    });

    openButton.addEventListener('click', () => {
        popupContainer.style.display = 'block';
        window.addEventListener('keydown', escInterceptor, true); // ✅ 弹窗打开时添加拦截器
    });



    function hideBlockedPosts() {
        if (!filterEnabled) return;

        let posts = document.querySelectorAll('shreddit-post');
        posts.forEach(post => {
            let titleElem = post.querySelector('[id^="post-title"]');
            if (!titleElem) return;

            let titleText = titleElem.innerText.toLowerCase();
            let authorName = post.getAttribute('author');

            if (blockedKeywords.some(keyword => titleText.includes(keyword.toLowerCase()))) {
                console.log(`🔕 Post blocked - Keyword match`);
                post.style.display = 'none';
                return;
            }

            if (blockedUsers.includes(authorName)) {
                console.log(`🔕 Post blocked - Author: ${authorName}`);
                post.style.display = 'none';
            }
        });
    }

    function hideBlockedComments() {
        if (!filterEnabled) return;

        const comments = document.querySelectorAll('shreddit-comment');
        comments.forEach(comment => {
            const commenterName = comment.getAttribute('author');
            if (!commenterName) return;

            if (blockedCommenters.includes(commenterName)) {
                console.log(`💬 Comment blocked - Author: ${commenterName}`);
                comment.style.display = 'none';
            }
        });
    }

    hideBlockedPosts();
    hideBlockedComments();

    const observer = new MutationObserver(() => {
        hideBlockedPosts();
        hideBlockedComments();
    });
    observer.observe(document.body, { childList: true, subtree: true });
})();