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V2EX Ignore

在 V2EX 的每个帖子标题旁添加一个“忽略”按钮，单击即可忽略该主题。

目前为 2023-07-24 提交的版本。查看 最新版本。

  1. // ==UserScript==
  2. // @name         V2EX Ignore
  3. // @license GNU GPLv3
  4. // @namespace    https://www.example.com/
  5. // @version      1.9
  6. // @description  Adds an "Ignore" button next to each post's title on V2EX that allows you to ignore the topic with a single click.
  7. // @description:zh-CN 在 V2EX 的每个帖子标题旁添加一个“忽略”按钮，单击即可忽略该主题。
  8. // @description:zh-TW 在 V2EX 的每個帖子標題旁添加一個“忽略”按鈕，單擊即可忽略該主題。
  9. // @description:ja 在 V2EX の各投稿タイトルの横に、「無視する」ボタンを追加し、クリックするだけでそのトピックを無視できます。
  10. // @author       Arryboom
  11. // @match        https://*.v2ex.com/*
  12. // @match        https://v2ex.com/*
  13. // @grant        GM_xmlhttpRequest
  14. // @run-at       document-end
  15. // ==/UserScript==
  16.  
  17. (function() {
  18.     'use strict';
  19.     const debug = true;
  20.     const debugLog = debug ? console.log.bind(console) : function() {};
  21.  
  22.     debugLog("Ignore plugin running");
  23.  
  24.     // Function to ignore a topic
  25.     function ignoreTopic(event) {
  26.         event.preventDefault();
  27.         const topicLink = event.target.parentNode.querySelector('.item_title a');
  28.         if (topicLink) {
  29.             const topicUrl = topicLink.href;
  30.             const topicId = getTopicIdFromUrl(topicUrl);
  31.             if (topicId) {
  32.                 getOnceValue().then(onceValue => {
  33.                     const ignoreUrl = `https://${window.location.hostname}/ignore/topic/${topicId}?once=${onceValue}`;
  34.                     GM_xmlhttpRequest({
  35.                         method: 'GET',
  36.                         url: ignoreUrl,
  37.                         onload: function(response) {
  38.                             debugLog(`Topic ${topicId} ignored.`);
  39.                             const post = event.target.closest('.cell.item');
  40.                             if (post) {
  41.                                 post.remove();
  42.                                 debugLog(`Post ${topicId} removed.`);
  43.                                 showToast(`Topic ${topicId} ignored.`, function() {
  44.                                     window.location.reload();
  45.                                 });
  46.                             }
  47.                         },
  48.                         onerror: function(error) {
  49.                             debugLog(`Error ignoring topic ${topicId}: ${error}`);
  50.                         }
  51.                     });
  52.                 }).catch(error => {
  53.                     debugLog(`Error fetching once value: ${error}`);
  54.                 });
  55.             }
  56.         }
  57.     }
  58.  
  59.     // Function to extract the topic ID from a topic URL
  60.     function getTopicIdFromUrl(topicUrl) {
  61.         const match = topicUrl.match(/\/t\/(\d+)/);
  62.         if (match) {
  63.             return match[1];
  64.         }
  65.         return null;
  66.     }
  67.  
  68.     // Function to fetch the current once value from the V2EX server
  69.     function getOnceValue() {
  70.         return new Promise((resolve, reject) => {
  71.             const tops = document.querySelectorAll('a.top');
  72.             const top = Array.from(tops).find(a => a.getAttribute('onclick')?.includes('once='));
  73.             if (top) {
  74.                 const onclick = top.getAttribute('onclick');
  75.                 const match = onclick.match(/\?once=(\d+)/);
  76.                 if (match) {
  77.                     const onceValue = match[1].replace(/\D/g, '');
  78.                     debugLog(`Current once value is ${onceValue}`);
  79.                     resolve(onceValue);
  80.                     return;
  81.                 }
  82.             }
  83.             const error = new Error('Not logged in.');
  84.             error.isAuthenticationError = true;
  85.             reject(error);
  86.         });
  87.     }
  88.  
  89.     // Function to display a toast message
  90.     function showToast(message, callback) {
  91.         const toast = document.createElement('div');
  92.         toast.textContent = message;
  93.         toast.style.position = 'fixed';
  94.         toast.style.bottom = '20px';
  95.         toast.style.right = '20px';
  96.         toast.style.padding = '10px';
  97.         toast.style.backgroundColor = '#333';
  98.         toast.style.color = '#fff';
  99.         toast.style.borderRadius = '5px';
  100.         document.body.appendChild(toast);
  101.         setTimeout(() => {
  102.             toast.remove();
  103.             if (callback) {
  104.                 callback();
  105.             }
  106.         }, 300);
  107.     }
  108.  
  109.     // Find all post titles on the page and add an "Ignore" button next to each one
  110.     const postTitles = document.querySelectorAll('.cell.item .item_title');
  111.     postTitles.forEach(postTitle => {
  112.         const ignoreButton = document.createElement('a');
  113.         ignoreButton.textContent = 'Ignore';
  114.         ignoreButton.href = '#';
  115.         ignoreButton.classList.add('tag');
  116.         ignoreButton.addEventListener('click', ignoreTopic);
  117.         postTitle.parentNode.insertBefore(ignoreButton, postTitle.nextSibling);
  118.     });
  119. })();