Highlights mentions of Donald J. Trump on www.whitehouse.gov with bold/larger font and hides the cursor when hovering over them for better visibility.
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// ==UserScript==
// @name Highlight Trump Name & Hide Cursor on Hover on Whitehouse.gov (For Accessibility)
// @name:zh-CN 高亮白宫网站上的特朗普名字，并在悬停时隐藏光标 (视障辅助)
// @namespace http://tampermonkey.net/
// @version 1.1
// @description Highlights mentions of Donald J. Trump on www.whitehouse.gov with bold/larger font and hides the cursor when hovering over them for better visibility.
// @description:zh-CN 在 www.whitehouse.gov 网站上将“Donald J. Trump”及其变体的字体加粗加大，并在鼠标悬停时隐藏光标，以提高可见性。
// @author Lyragosa
// @match *://www.whitehouse.gov/*
// @grant GM_addStyle
// @run-at document-idle
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// --- 配置 ---
const highlightStyleClass = 'highlighted-trump-name-vz'; // 自定义CSS类名，避免冲突
const patternsToHighlight = [
/\bPresident\s+Donald\s+J\.\s+Trump\b/gi, // President Donald J. Trump
/\bPresident\s+Trump\b/gi, // President Trump
/\bDonald\s+J\.\s+Trump\b/gi, // Donald J. Trump
/\bTrump\b/gi // 单独的 "Trump"
];
// --- CSS 样式 ---
// 更新：增加了 :hover 规则来隐藏光标
const cssStyle = `
.${highlightStyleClass} {
font-weight: bold !important;
font-size: 1.2em !important; /* 比周围文字大20% */
/* 可以添加其他样式 */
}
/* 新增：当鼠标悬停在高亮的span上时，隐藏光标 */
.${highlightStyleClass}:hover {
cursor: none !important;
}
`;
// --- 注入CSS样式 ---
GM_addStyle(cssStyle);
// --- 核心处理函数 ---
function highlightTextInNode(node) {
const walker = document.createTreeWalker(
node,
NodeFilter.SHOW_TEXT,
{
acceptNode: function(textNode) {
if (textNode.parentNode.nodeName === 'SCRIPT' || textNode.parentNode.nodeName === 'STYLE') {
return NodeFilter.FILTER_REJECT;
}
if (textNode.parentNode.classList.contains(highlightStyleClass)) {
return NodeFilter.FILTER_REJECT;
}
if (textNode.nodeValue.trim() === '') {
return NodeFilter.FILTER_SKIP;
}
for (const pattern of patternsToHighlight) {
pattern.lastIndex = 0;
if (pattern.test(textNode.nodeValue)) {
return NodeFilter.FILTER_ACCEPT;
}
}
return NodeFilter.FILTER_SKIP;
}
},
false
);
let textNode;
const nodesToProcess = [];
while(textNode = walker.nextNode()) {
nodesToProcess.push(textNode);
}
for (const nodeToProcess of nodesToProcess) {
let currentNode = nodeToProcess;
let nodeReplaced = false; // 标记节点是否已被替换
for (const pattern of patternsToHighlight) {
if (nodeReplaced) break; // 如果节点已被替换，跳过后续模式对此节点的处理
pattern.lastIndex = 0;
let match;
let lastIndex = 0;
const fragment = document.createDocumentFragment();
let foundMatchInPattern = false;
while ((match = pattern.exec(currentNode.nodeValue)) !== null) {
foundMatchInPattern = true;
const matchedText = match[0];
const matchIndex = match.index;
if (matchIndex > lastIndex) {
fragment.appendChild(document.createTextNode(currentNode.nodeValue.substring(lastIndex, matchIndex)));
}
const span = document.createElement('span');
span.className = highlightStyleClass;
span.textContent = matchedText;
fragment.appendChild(span);
lastIndex = pattern.lastIndex;
}
if (foundMatchInPattern) {
if (lastIndex < currentNode.nodeValue.length) {
fragment.appendChild(document.createTextNode(currentNode.nodeValue.substring(lastIndex)));
}
if (currentNode.parentNode) {
currentNode.parentNode.replaceChild(fragment, currentNode);
nodeReplaced = true; // 标记此原始节点已被替换
}
}
}
}
}
// --- 初始执行 ---
highlightTextInNode(document.body);
// --- 监听DOM变化 (处理动态加载的内容) ---
const observer = new MutationObserver(function(mutationsList) {
for (const mutation of mutationsList) {
if (mutation.type === 'childList' && mutation.addedNodes.length > 0) {
mutation.addedNodes.forEach(function(addedNode) {
if (addedNode.nodeType === Node.ELEMENT_NODE) {
// 检查添加的节点本身或其父节点是否是高亮节点，避免递归触发
if (!addedNode.classList || !addedNode.classList.contains(highlightStyleClass)) {
if (!addedNode.parentNode || !addedNode.parentNode.classList || !addedNode.parentNode.classList.contains(highlightStyleClass)){
highlightTextInNode(addedNode);
}
}
}
});
}
}
});
observer.observe(document.body, {
childList: true,
subtree: true
});
})();