在 V2EX 送码帖中，根据被评论区用户领取的激活码/邀请码，自动划掉主楼/附言中被提及的 Code。
目前為
// ==UserScript==
// @name V2EX Used Code Striker++
// @namespace http://tampermonkey.net/
// @version 1.3
// @description 在 V2EX 送码帖中，根据被评论区用户领取的激活码/邀请码，自动划掉主楼/附言中被提及的 Code。
// @author 与Gemini协作完成
// @match https://www.v2ex.com/t/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=v2ex.com
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_registerMenuCommand
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// --- Configuration ---
const STORAGE_KEY_KEYWORDS = 'v2ex_used_code_striker_keywords';
const STORAGE_KEY_SHOW_USER = 'v2ex_used_code_striker_show_user';
const defaultUsedKeywords = ['用', 'used', 'taken', '领', 'redeem', 'thx', '感谢'];
// --- Load Settings ---
const savedKeywordsString = GM_getValue(STORAGE_KEY_KEYWORDS, defaultUsedKeywords.join(','));
const showUserInfoEnabled = GM_getValue(STORAGE_KEY_SHOW_USER, true); // Default to true (show user)
let activeUsedKeywords = [];
if (savedKeywordsString && savedKeywordsString.trim() !== '') {
activeUsedKeywords = savedKeywordsString.split(',').map(kw => kw.trim()).filter(Boolean);
}
console.log('V2EX Used Code Striker: Active keywords:', activeUsedKeywords.length > 0 ? activeUsedKeywords : '(None - All comment codes considered used)');
console.log('V2EX Used Code Striker: Show Username:', showUserInfoEnabled);
// --- Regex & Style Setup ---
const codeRegex = /(?:[A-Z0-9][-_]?){6,}/gi;
const usedStyle = 'text-decoration: line-through; color: grey;';
const userInfoStyle = 'font-size: smaller; margin-left: 5px; color: #999; text-decoration: none;'; // Style for the user link
const markedClass = 'v2ex-used-code-marked'; // Class for the strikethrough span
const userInfoClass = 'v2ex-code-claimant'; // Class for the user link anchor
let keywordRegexCombinedTest = (text) => false; // Default test function
// Build keyword regex only if there are active keywords
if (activeUsedKeywords.length > 0) {
const wordCharRegex = /^[a-zA-Z0-9_]+$/;
const englishKeywords = activeUsedKeywords.filter(kw => wordCharRegex.test(kw));
const nonWordBoundaryKeywords = activeUsedKeywords.filter(kw => !wordCharRegex.test(kw));
const regexParts = [];
if (englishKeywords.length > 0) {
const englishPattern = `\\b(${englishKeywords.join('|')})\\b`;
const englishRegex = new RegExp(englishPattern, 'i');
regexParts.push((text) => englishRegex.test(text));
// console.log("V2EX Used Code Striker: English Keyword Regex:", englishRegex);
}
if (nonWordBoundaryKeywords.length > 0) {
const escapedNonWordKeywords = nonWordBoundaryKeywords.map(kw =>
kw.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
);
const nonWordPattern = `(${escapedNonWordKeywords.join('|')})`;
const nonWordRegex = new RegExp(nonWordPattern, 'i');
regexParts.push((text) => nonWordRegex.test(text));
// console.log("V2EX Used Code Striker: Non-Word-Boundary Keyword Regex:", nonWordRegex);
}
if (regexParts.length > 0) {
keywordRegexCombinedTest = (text) => {
for (const testFn of regexParts) {
if (testFn(text)) return true;
}
return false;
};
}
}
// --- Menu Commands ---
GM_registerMenuCommand('配置 V2EX 划掉 Code 关键词', () => {
const currentKeywords = GM_getValue(STORAGE_KEY_KEYWORDS, defaultUsedKeywords.join(','));
const newKeywordsString = prompt(
'请输入评论中表示Code已使用的关键词，用英文逗号 (,) 分隔。\n\n' +
'留空则表示评论中出现的所有Code都会被认为已使用。\n\n' +
'当前配置:',
currentKeywords
);
if (newKeywordsString !== null) { // Prompt wasn't cancelled
const cleanedKeywords = newKeywordsString.trim();
GM_setValue(STORAGE_KEY_KEYWORDS, cleanedKeywords);
alert(
'关键词已更新。\n' +
`新配置: ${cleanedKeywords || '(空 - 所有评论Code都将被标记)'}\n\n` +
'请刷新页面以应用更改。'
);
}
});
GM_registerMenuCommand(`切换显示/隐藏使用者信息 (${showUserInfoEnabled ? '当前: 显示' : '当前: 隐藏'})`, () => {
const currentState = GM_getValue(STORAGE_KEY_SHOW_USER, true);
const newState = !currentState;
GM_setValue(STORAGE_KEY_SHOW_USER, newState);
alert(
`使用者信息显示已切换为: ${newState ? '显示' : '隐藏'}\n\n` +
'请刷新页面以应用更改。'
);
});
// --- Helper Function: findTextNodes (Unchanged) ---
function findTextNodes(element, textNodes) {
if (!element) return;
for (const node of element.childNodes) {
if (node.nodeType === Node.TEXT_NODE) {
if (node.nodeValue.trim().length > 0) {
textNodes.push(node);
}
} else if (node.nodeType === Node.ELEMENT_NODE) {
// Avoid recursing into already marked spans or user links
if (!(node.tagName === 'SPAN' && node.classList.contains(markedClass)) &&
!(node.tagName === 'A' && node.classList.contains(userInfoClass)))
{
if (node.tagName !== 'A' && node.tagName !== 'CODE') { // Avoid recursing into normal links/code blocks? Check if needed.
findTextNodes(node, textNodes);
} else {
findTextNodes(node, textNodes); // Search inside A and CODE for text nodes too
}
}
}
}
}
// --- Main Logic ---
console.log('V2EX Used Code Striker: Script running...');
// 1. Extract used Codes and Claimant Info from comments
const claimedCodeInfo = new Map(); // Map<string, { username: string, profileUrl: string }>
const commentElements = document.querySelectorAll('div.cell[id^="r_"]'); // Select the whole comment cell
console.log(`V2EX Used Code Striker: Found ${commentElements.length} comment cells.`);
const keywordsAreActive = activeUsedKeywords.length > 0;
commentElements.forEach((commentCell, index) => {
const replyContentEl = commentCell.querySelector('.reply_content');
const userLinkEl = commentCell.querySelector('strong > a[href^="/member/"]');
if (!replyContentEl || !userLinkEl) {
// console.warn(`V2EX Used Code Striker: Skipping comment cell ${index + 1}, missing content or user link.`);
return; // Skip if structure is unexpected
}
const commentText = replyContentEl.textContent;
const username = userLinkEl.textContent;
const profileUrl = userLinkEl.href;
const potentialCodes = commentText.match(codeRegex);
if (potentialCodes) {
let commentMatchesCriteria = false;
if (!keywordsAreActive) {
// Setting is empty: consider all codes in comments as used
commentMatchesCriteria = true;
} else {
// Keywords are defined: check if comment contains keywords
if (keywordRegexCombinedTest(commentText)) {
commentMatchesCriteria = true;
}
}
if (commentMatchesCriteria) {
potentialCodes.forEach(code => {
const codeUpper = code.toUpperCase();
// Only store the *first* user claiming a specific code
if (!claimedCodeInfo.has(codeUpper)) {
console.log(`V2EX Used Code Striker: Found potential used code "${code}" by user "${username}" in comment ${index + 1}`);
claimedCodeInfo.set(codeUpper, { username, profileUrl });
}
});
}
}
});
console.log(`V2EX Used Code Striker: Extracted info for ${claimedCodeInfo.size} unique potential used codes based on config:`, claimedCodeInfo);
if (claimedCodeInfo.size === 0) {
console.log('V2EX Used Code Striker: No potential used codes found in comments matching criteria. Exiting.');
return;
}
// 2. Find and mark Codes in main post and supplements
const contentAreas = [
document.querySelector('.topic_content'), // Main post content
...document.querySelectorAll('.subtle .topic_content') // Supplement content (inside .markdown_body)
].filter(el => el); // Filter out nulls if no supplements
console.log(`V2EX Used Code Striker: Found ${contentAreas.length} content areas to scan.`);
contentAreas.forEach((area, areaIndex) => {
const textNodes = [];
findTextNodes(area, textNodes);
textNodes.forEach(node => {
// Check if the node is already inside a marked element (double check)
if (node.parentNode && (node.parentNode.classList.contains(markedClass) || node.parentNode.classList.contains(userInfoClass))) {
return;
}
const nodeText = node.nodeValue;
let match;
let lastIndex = 0;
const newNodeContainer = document.createDocumentFragment();
const regex = new RegExp(codeRegex.source, 'gi'); // Create new regex instance for each node
regex.lastIndex = 0; // Reset lastIndex
while ((match = regex.exec(nodeText)) !== null) {
const matchedCode = match[0];
const matchedCodeUpper = matchedCode.toUpperCase();
if (claimedCodeInfo.has(matchedCodeUpper)) {
const claimInfo = claimedCodeInfo.get(matchedCodeUpper);
// Add text before the match
if (match.index > lastIndex) {
newNodeContainer.appendChild(document.createTextNode(nodeText.substring(lastIndex, match.index)));
}
// Create the strikethrough span for the code
const span = document.createElement('span');
span.textContent = matchedCode;
span.style.cssText = usedStyle;
span.title = `Code "${matchedCode}" likely used by ${claimInfo.username}`;
span.classList.add(markedClass);
newNodeContainer.appendChild(span);
// Optionally, add the user info link
if (showUserInfoEnabled && claimInfo) {
const userLink = document.createElement('a');
userLink.href = claimInfo.profileUrl;
userLink.textContent = ` (@${claimInfo.username})`;
userLink.style.cssText = userInfoStyle;
userLink.classList.add(userInfoClass);
userLink.target = '_blank'; // Open in new tab
userLink.title = `View profile of ${claimInfo.username}`;
newNodeContainer.appendChild(userLink);
}
lastIndex = regex.lastIndex;
} else {
// If code is not in the claimed map, ensure loop continues correctly.
// regex.lastIndex is automatically advanced by exec().
}
}
// Add any remaining text after the last match (or the whole text if no matches)
if (lastIndex < nodeText.length) {
newNodeContainer.appendChild(document.createTextNode(nodeText.substring(lastIndex)));
}
// Replace the original text node only if modifications were made
if (newNodeContainer.hasChildNodes() && lastIndex > 0) { // lastIndex > 0 implies at least one match was processed
node.parentNode.replaceChild(newNodeContainer, node);
}
});
});
console.log('V2EX Used Code Striker: Script finished.');
})();
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