514 lines
17 KiB
HTML
514 lines
17 KiB
HTML
<!doctype html>
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<html lang="zh">
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<head>
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<meta charset="UTF-8" />
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<meta
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name="viewport"
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content="width=device-width, initial-scale=1.0, maximum-scale=1.5, user-scalable=yes"
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/>
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<title>Diff Checker - Notion Style</title>
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<!-- Highlight.js 主题 (GitHub 风格最接近 Notion 的代码块) -->
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<link
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rel="stylesheet"
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href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/github.min.css"
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/>
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<!-- Diff2Html 核心样式 -->
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<link
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rel="stylesheet"
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href="https://cdn.jsdelivr.net/npm/diff2html@3.4.47/bundles/css/diff2html.min.css"
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/>
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<!-- 引入 Inter 字体 (Notion 默认英文字体) -->
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<link rel="preconnect" href="https://fonts.googleapis.com" />
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<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
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<link
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href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap"
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rel="stylesheet"
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/>
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<!-- 引入 Tailwind CSS -->
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<script src="https://cdn.tailwindcss.com"></script>
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<!-- 配置 Tailwind -->
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<script>
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tailwind.config = {
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theme: {
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extend: {
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colors: {
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notion: {
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text: "#37352f" /* Notion 默认文字黑 */,
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gray: "#787774" /* Notion 默认次要文字灰 */,
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lightGray: "#9a9a97" /* 更浅的灰 */,
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bg: "#ffffff" /* 纯白背景 */,
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hover: "#efefed" /* 悬浮浅灰背景 */,
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codeBg: "#f7f7f5" /* 代码块背景灰 */,
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border: "#e9e9e7" /* 极细边框灰 */,
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blue: "#2383e2" /* Notion 链接/按钮蓝 */,
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diffAdd: "#edf3ec" /* 低饱和度绿 */,
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diffDel: "#fbe4e4" /* 低饱和度红 */,
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},
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},
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fontFamily: {
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sans: [
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'"Inter"',
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"-apple-system",
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"BlinkMacSystemFont",
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'"Segoe UI"',
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"sans-serif",
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],
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mono: [
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'"SFMono-Regular"',
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"Menlo",
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"Monaco",
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"Consolas",
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'"Liberation Mono"',
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'"Courier New"',
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"monospace",
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],
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},
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},
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},
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};
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</script>
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<style type="text/tailwindcss">
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@layer components {
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/* Notion 风格按钮 */
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.notion-btn {
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@apply px-3 py-1.5 rounded-[4px] text-sm font-medium transition-colors duration-200 flex items-center gap-1.5 cursor-pointer select-none;
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}
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.notion-btn-ghost {
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@apply text-notion-text bg-transparent hover:bg-notion-hover active:bg-[#e1e1df];
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}
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.notion-btn-primary {
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@apply text-white bg-[#2f2f2f] hover:bg-[#454545] active:bg-[#1a1a1a];
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}
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/* 视图切换按钮 */
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.view-option {
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@apply px-2.5 py-1 rounded-[4px] text-sm text-notion-gray hover:bg-notion-hover transition-colors cursor-pointer select-none;
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}
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.view-option.active {
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@apply text-notion-text font-medium bg-notion-hover;
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}
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/* Notion 代码块输入框 */
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.notion-input-wrapper {
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@apply bg-notion-codeBg rounded-[4px] border border-transparent focus-within:border-notion-border transition-colors flex flex-col;
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}
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}
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/* ==========================================
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深度定制 Diff2Html 样式 (Notion 极简风)
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========================================== */
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.d2h-wrapper {
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font-family:
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"SFMono-Regular", Menlo, Monaco, Consolas, monospace !important;
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color: #37352f !important;
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}
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.d2h-file-header {
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display: none !important;
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}
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.d2h-file-wrapper {
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border: none !important;
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background: transparent !important;
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margin-bottom: 0 !important;
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}
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.d2h-code-line-ctn {
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@apply font-mono text-[13px] !important;
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color: #37352f !important;
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}
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/* 移除所有表格边框 */
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tbody,
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td,
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.d2h-code-linenumber,
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.d2h-info,
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.d2h-emptyplaceholder {
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border: none !important;
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}
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/* 差异行背景色 (Notion 低饱和度色彩) */
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.d2h-ins {
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background-color: #edf3ec !important;
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}
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.d2h-del {
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background-color: #fbe4e4 !important;
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}
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/* 行号区域极简处理 */
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.d2h-code-linenumber {
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background-color: #f7f7f5 !important;
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color: rgba(55, 53, 47, 0.4) !important;
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padding-right: 12px !important;
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}
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.d2h-info {
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background-color: #ffffff !important;
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color: rgba(55, 53, 47, 0.4) !important;
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}
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.d2h-emptyplaceholder {
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background-color: #f7f7f5 !important;
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}
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/* 滚动条极简处理 */
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::-webkit-scrollbar {
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width: 8px;
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height: 8px;
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}
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::-webkit-scrollbar-track {
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background: transparent;
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}
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::-webkit-scrollbar-thumb {
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background: #d3d1cb;
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border-radius: 4px;
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border: 2px solid #fff;
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}
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::-webkit-scrollbar-thumb:hover {
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background: #aeaca6;
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}
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/* 选中文本颜色 */
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::selection {
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background: rgba(35, 131, 226, 0.28);
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}
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</style>
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</head>
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<body
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class="bg-notion-bg text-notion-text font-sans min-h-screen flex flex-col items-center selection:bg-[#cce2ff]"
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>
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<!-- 页面容器 (限制最大宽度，类似 Notion 页面) -->
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<div class="max-w-[1100px] w-full px-6 py-12 md:py-20 flex flex-col gap-8">
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<!-- 标题区 (大字号，带 Emoji) -->
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<header class="flex flex-col gap-2">
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<h1 class="text-4xl font-bold tracking-tight flex items-center gap-3">
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<span class="text-4xl">⚖️</span> Diff Checker
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</h1>
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<p class="text-notion-gray text-base mt-2">
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Paste your code below to compare changes. Supports syntax
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highlighting.
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</p>
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</header>
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<!-- 双栏输入区 -->
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<div class="flex flex-col lg:flex-row gap-6">
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<!-- 左侧面板 -->
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<div class="flex-1 notion-input-wrapper">
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<div
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class="flex items-center justify-between px-4 py-2 border-b border-notion-border/50"
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>
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<label class="text-sm text-notion-gray font-medium">Original</label>
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<button
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id="clearLeftBtn"
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class="text-xs text-notion-lightGray hover:text-notion-text transition-colors"
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>
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Clear
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</button>
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</div>
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<textarea
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id="leftTextarea"
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class="w-full flex-1 min-h-[260px] h-[300px] p-4 bg-transparent font-mono text-[13px] leading-relaxed resize-y outline-none placeholder:text-notion-lightGray"
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spellcheck="false"
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>
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function hello() {
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console.log("Hello World");
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return "Hi";
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}</textarea
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>
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</div>
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<!-- 右侧面板 -->
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<div class="flex-1 notion-input-wrapper">
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<div
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class="flex items-center justify-between px-4 py-2 border-b border-notion-border/50"
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>
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<label class="text-sm text-notion-gray font-medium">Modified</label>
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<button
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id="clearRightBtn"
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class="text-xs text-notion-lightGray hover:text-notion-text transition-colors"
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>
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Clear
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</button>
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</div>
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<textarea
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id="rightTextarea"
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class="w-full flex-1 min-h-[260px] h-[300px] p-4 bg-transparent font-mono text-[13px] leading-relaxed resize-y outline-none placeholder:text-notion-lightGray"
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spellcheck="false"
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>
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function hello() {
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console.log("Hello, Diff Checker!");
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return "Hey there";
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}</textarea
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>
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</div>
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</div>
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<!-- 工具栏 (极简分割线上下) -->
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<div
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class="flex flex-wrap items-center justify-between gap-4 py-2 border-y border-notion-border"
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>
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<div class="flex flex-wrap items-center gap-4">
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<!-- 语言选择 -->
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<div class="flex items-center gap-2">
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<span class="text-sm text-notion-gray">Language</span>
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<select
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id="languageSelect"
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class="bg-transparent hover:bg-notion-hover px-2 py-1 rounded-[4px] text-sm text-notion-text outline-none cursor-pointer transition-colors appearance-none"
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>
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<option value="javascript" selected>JavaScript</option>
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<option value="typescript">TypeScript</option>
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<option value="html">HTML</option>
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<option value="css">CSS</option>
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<option value="json">JSON</option>
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<option value="python">Python</option>
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<option value="java">Java</option>
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<option value="cpp">C++</option>
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<option value="plaintext">Plain Text</option>
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</select>
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</div>
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<div class="w-[1px] h-4 bg-notion-border hidden md:block"></div>
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<!-- 视图切换 -->
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<div class="flex items-center gap-1" id="viewToggle">
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<button class="view-option active" data-view="side-by-side">
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Split view
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</button>
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<button class="view-option" data-view="line-by-line">
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Unified view
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</button>
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</div>
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</div>
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<!-- 操作按钮 -->
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<div class="flex gap-2 flex-wrap">
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<button id="swapBtn" class="notion-btn notion-btn-ghost">
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<svg
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class="w-4 h-4"
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fill="none"
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stroke="currentColor"
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viewBox="0 0 24 24"
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>
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<path
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stroke-linecap="round"
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stroke-linejoin="round"
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stroke-width="2"
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d="M8 7h12m0 0l-4-4m4 4l-4 4m0 6H4m0 0l4 4m-4-4l4-4"
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></path>
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</svg>
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Swap
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</button>
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<button id="exampleBtn" class="notion-btn notion-btn-ghost">
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Demo
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</button>
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<button id="compareBtn" class="notion-btn notion-btn-primary ml-2">
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Compare
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</button>
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</div>
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</div>
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<!-- 差异结果区域 -->
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<div class="flex flex-col gap-2">
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<div class="flex items-center justify-between py-1">
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<h2 class="text-lg font-semibold">Result</h2>
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<span id="diffStats" class="text-sm text-notion-gray"></span>
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</div>
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<div class="notion-input-wrapper overflow-hidden">
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<div id="diff-output" class="overflow-x-auto min-h-[100px]">
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<div class="p-8 text-center text-notion-lightGray text-sm">
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Click "Compare" to see the differences.
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</div>
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</div>
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</div>
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</div>
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</div>
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<!-- 依赖库 -->
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<script src="https://cdn.jsdelivr.net/npm/diff@5.1.0/dist/diff.min.js"></script>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js"></script>
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<script src="https://cdn.jsdelivr.net/npm/diff2html@3.4.47/bundles/js/diff2html.min.js"></script>
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<!-- 核心逻辑 -->
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<script>
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(function () {
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"use strict";
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const leftTextarea = document.getElementById("leftTextarea");
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const rightTextarea = document.getElementById("rightTextarea");
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const compareBtn = document.getElementById("compareBtn");
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const swapBtn = document.getElementById("swapBtn");
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const exampleBtn = document.getElementById("exampleBtn");
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const clearLeftBtn = document.getElementById("clearLeftBtn");
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const clearRightBtn = document.getElementById("clearRightBtn");
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const languageSelect = document.getElementById("languageSelect");
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const diffOutput = document.getElementById("diff-output");
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const diffStats = document.getElementById("diffStats");
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const viewOptions = document.querySelectorAll(".view-option");
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let currentView = "side-by-side";
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function getSelectedLanguage() {
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return languageSelect.value;
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}
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function getHighlightConfig() {
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const lang = getSelectedLanguage();
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if (lang === "plaintext") return false;
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return { enabled: true, language: lang };
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}
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function generateUnifiedDiff(original, modified) {
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return Diff.createTwoFilesPatch(
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"Original",
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"Modified",
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original || "",
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modified || "",
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"",
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"",
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{ context: 4 },
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);
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}
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function renderDiff() {
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const leftText = leftTextarea.value;
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const rightText = rightTextarea.value;
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let diffString;
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try {
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diffString = generateUnifiedDiff(leftText, rightText);
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} catch (e) {
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diffOutput.innerHTML = `<div class="p-8 text-center text-[#eb5757] text-sm">Error: ${e.message}</div>`;
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diffStats.textContent = "";
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return;
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}
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const configuration = {
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drawFileList: false,
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matching: "lines",
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outputFormat: currentView,
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highlight: getHighlightConfig(),
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renderNothingWhenEmpty: false,
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};
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let diffHtml = "";
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try {
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diffHtml = Diff2Html.html(diffString, configuration);
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} catch (e) {
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diffOutput.innerHTML = `<div class="p-8 text-center text-[#eb5757] text-sm">Render Failed</div>`;
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diffStats.textContent = "";
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return;
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}
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diffOutput.innerHTML = diffHtml;
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const selectedLang = getSelectedLanguage();
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if (selectedLang !== "plaintext") {
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const codeBlocks = diffOutput.querySelectorAll("code");
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if (codeBlocks.length > 0 && window.hljs) {
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codeBlocks.forEach((block) => {
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block.classList.forEach((cls) => {
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if (cls.startsWith("language-")) block.classList.remove(cls);
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});
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block.classList.add(`language-${selectedLang}`);
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if (block.dataset.highlighted) {
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delete block.dataset.highlighted;
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}
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try {
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hljs.highlightElement(block);
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} catch (e) {}
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});
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}
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}
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const addedLines = diffOutput.querySelectorAll(".d2h-ins").length;
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const deletedLines = diffOutput.querySelectorAll(".d2h-del").length;
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if (addedLines === 0 && deletedLines === 0) {
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diffStats.innerHTML = "No changes";
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} else {
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// Notion 风格的极简统计文本
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diffStats.innerHTML = `<span style="color:#448361">${addedLines} additions</span>, <span style="color:#e03e3e">${deletedLines} deletions</span>`;
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}
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if (!diffHtml.trim() || diffOutput.innerText.trim() === "") {
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diffOutput.innerHTML =
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'<div class="p-8 text-center text-notion-lightGray text-sm">Files are identical.</div>';
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diffStats.innerHTML = "Identical";
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}
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}
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function setActiveView(view) {
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currentView = view;
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viewOptions.forEach((btn) => {
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const val = btn.getAttribute("data-view");
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if (val === view) {
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btn.classList.add("active");
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} else {
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btn.classList.remove("active");
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}
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});
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if (
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diffOutput.querySelector(".d2h-wrapper") ||
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diffOutput.children.length > 0
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) {
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renderDiff();
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}
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}
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function loadExample() {
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leftTextarea.value = `function hello() {\n console.log("Hello World");\n return "Hi";\n}`;
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rightTextarea.value = `function hello() {\n console.log("Hello, Diff Checker!");\n return "Hey there";\n}`;
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languageSelect.value = "javascript";
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renderDiff();
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}
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function swapTexts() {
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const temp = leftTextarea.value;
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leftTextarea.value = rightTextarea.value;
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rightTextarea.value = temp;
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renderDiff();
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}
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function clearLeft() {
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leftTextarea.value = "";
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renderDiff();
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}
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function clearRight() {
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rightTextarea.value = "";
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renderDiff();
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}
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compareBtn.addEventListener("click", renderDiff);
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swapBtn.addEventListener("click", swapTexts);
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exampleBtn.addEventListener("click", loadExample);
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clearLeftBtn.addEventListener("click", clearLeft);
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clearRightBtn.addEventListener("click", clearRight);
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languageSelect.addEventListener("change", () => {
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if (
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diffOutput.querySelector(".d2h-wrapper") ||
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diffOutput.children.length > 0
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)
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renderDiff();
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});
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viewOptions.forEach((btn) => {
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btn.addEventListener("click", (e) => {
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setActiveView(e.currentTarget.getAttribute("data-view"));
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});
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});
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document.addEventListener("keydown", (e) => {
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if ((e.ctrlKey || e.metaKey) && e.key === "Enter") {
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e.preventDefault();
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renderDiff();
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}
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});
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window.addEventListener("DOMContentLoaded", renderDiff);
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})();
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</script>
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</body>
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</html>
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