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YouMind 代码块折叠功能，默认状态：[折叠]
// ==UserScript==
// @name YouMind Code Collapse (Default Folded)
// @namespace http://tampermonkey.net/
// @version 1.0
// @description YouMind 代码块折叠功能，默认状态：[折叠]
// @author YouMind User
// @match https://youmind.com/*
// @match https://*.youmind.com/*
// @grant GM_addStyle
// @run-at document-start
// ==/UserScript==
(function () {
'use strict';
/* ==========================================================================
CSS: 代码块折叠样式
========================================================================== */
const css = `
.ym-code-collapse-header {
display: flex;
align-items: center;
justify-content: space-between;
background: #f3f4f6; /* 浅灰背景 */
padding: 6px 12px;
font-size: 12px;
color: #6b7280;
border-top-left-radius: 8px;
border-top-right-radius: 8px;
border: 1px solid #e5e7eb;
border-bottom: 1px solid #e5e7eb;
cursor: pointer;
margin-top: 1.25em;
font-family: inherit;
user-select: none;
transition: all 0.2s;
}
.ym-code-collapse-header:hover {
background: #e5e7eb;
}
.ym-code-collapse-header .ym-btn-text {
font-weight: 500;
}
/* 紧贴 Header 的 Pre 样式调整 */
.ym-code-collapse-header + pre {
margin-top: 0 !important;
border-top-left-radius: 0 !important;
border-top-right-radius: 0 !important;
}
/* 折叠状态 */
pre.ym-collapsed {
display: none !important;
}
.ym-code-collapse-header.ym-header-collapsed {
border-bottom-left-radius: 8px;
border-bottom-right-radius: 8px;
margin-bottom: 1.25em; /* 保持垂直韵律 */
}
`;
// 注入样式
if (typeof GM_addStyle !== 'undefined') {
GM_addStyle(css);
} else {
const style = document.createElement('style');
style.textContent = css;
document.head.appendChild(style);
}
/* ==========================================================================
Logic: 代码块折叠功能初始化 (默认折叠)
========================================================================== */
function initCodeCollapse() {
const SELECTOR = '.ym-askai-content pre';
const HEADER_CLASS = 'ym-code-collapse-header';
function processBlock(pre) {
// 0. 忽略嵌套在其他 pre 内部的 pre (只处理最外层，防止双重折叠)
// 使用 closest 检测祖先元素中是否存在 pre
if (pre.parentElement && pre.parentElement.closest('pre')) {
return;
}
// 1. 检查是否已经处理过
if (pre.previousElementSibling && pre.previousElementSibling.classList.contains(HEADER_CLASS)) {
return;
}
// 2. 创建头部 (默认折叠样式)
const header = document.createElement('div');
header.className = HEADER_CLASS + ' ym-header-collapsed';
header.innerHTML = `
<span class="ym-label">Code</span>
<span class="ym-btn-text">Expand</span>
`;
// 3. 默认折叠内容
pre.classList.add('ym-collapsed');
// 4. 点击事件
header.addEventListener('click', () => {
const isCollapsed = pre.classList.contains('ym-collapsed');
if (isCollapsed) {
// 展开
pre.classList.remove('ym-collapsed');
header.classList.remove('ym-header-collapsed');
header.querySelector('.ym-btn-text').textContent = 'Collapse';
} else {
// 折叠
pre.classList.add('ym-collapsed');
header.classList.add('ym-header-collapsed');
header.querySelector('.ym-btn-text').textContent = 'Expand';
}
});
// 5. 插入 DOM (插入到 pre 之前)
if (pre.parentNode) {
pre.parentNode.insertBefore(header, pre);
}
}
function scanAndInject() {
const pres = document.querySelectorAll(SELECTOR);
pres.forEach(processBlock);
}
// 监听 DOM 变化
const observer = new MutationObserver((mutations) => {
let shouldScan = false;
for (const mutation of mutations) {
if (mutation.addedNodes.length > 0) {
shouldScan = true;
break;
}
}
if (shouldScan) {
scanAndInject();
}
});
observer.observe(document.body, { childList: true, subtree: true });
// 初始运行
setTimeout(scanAndInject, 500);
setTimeout(scanAndInject, 2000);
}
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', initCodeCollapse);
} else {
initCodeCollapse();
}
})();