feat: metona-sqlark v0.1.12 — 前端TypeScript关系型数据库
- 4种存储引擎：Memory / IndexedDB / OPFS / Hybrid - 完整SQL支持：SELECT/INSERT/UPDATE/DELETE/JOIN/GROUP BY/HAVING/DISTINCT - Query Builder链式API + TypeScript泛型支持 - 聚合函数：COUNT/SUM/AVG/MIN/MAX - 事务、插件系统(14 hooks)、发布订阅、数据迁移、导入导出 - React/Vue框架集成 - 264个测试用例，93.46%覆盖率 - 零运行时依赖
This commit is contained in:
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<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>metona-sqlark — 前端 TypeScript 数据库</title>
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<style>
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:root {
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--bg: #0a0a0f;
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--surface: #14141f;
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--surface2: #1a1a2e;
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--border: #2a2a45;
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--primary: #6366f1;
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--primary-glow: #818cf8;
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--accent: #06b6d4;
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--accent2: #ec4899;
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--text: #e2e8f0;
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--text2: #94a3b8;
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--gradient: linear-gradient(135deg, #6366f1 0%, #06b6d4 50%, #ec4899 100%);
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--gradient2: linear-gradient(135deg, #1e1b4b 0%, #0f172a 50%, #1e1b4b 100%);
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--radius: 16px;
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--shadow: 0 0 60px rgba(99,102,241,0.15);
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}
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* { margin:0; padding:0; box-sizing:border-box; }
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body {
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font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
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background: var(--bg);
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color: var(--text);
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line-height: 1.6;
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overflow-x: hidden;
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}
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/* --- Particles background --- */
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.bg-canvas { position:fixed; top:0; left:0; width:100%; height:100%; z-index:0; opacity:0.3; pointer-events:none; }
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/* --- Layout --- */
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.container { max-width:1200px; margin:0 auto; padding:0 24px; position:relative; z-index:1; }
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/* --- Header --- */
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header {
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position:fixed; top:0; left:0; right:0; z-index:100;
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backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px);
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background:rgba(10,10,15,0.85); border-bottom:1px solid var(--border);
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padding:16px 0;
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}
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header .container { display:flex; align-items:center; justify-content:space-between; }
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.logo { font-size:1.4rem; font-weight:800; letter-spacing:-0.5px; display:flex; align-items:center; gap:10px; }
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.logo .icon {
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width:36px; height:36px; border-radius:10px;
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background:var(--gradient); display:flex; align-items:center; justify-content:center;
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font-size:1.2rem; font-weight:900; color:#fff;
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}
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.logo span { background:var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
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nav { display:flex; gap:32px; }
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nav a { color:var(--text2); text-decoration:none; font-weight:500; font-size:0.95rem; transition:.2s; position:relative; }
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nav a:hover { color:var(--text); }
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nav a::after { content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px; background:var(--gradient); transition:.3s; border-radius:1px; }
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nav a:hover::after { width:100%; }
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.btn {
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display:inline-flex; align-items:center; gap:8px; padding:10px 24px; border-radius:10px;
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font-weight:600; font-size:0.95rem; cursor:pointer; border:none; transition:.3s; text-decoration:none;
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}
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.btn-primary { background:var(--gradient); color:#fff; box-shadow:0 4px 20px rgba(99,102,241,0.4); }
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.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 30px rgba(99,102,241,0.6); }
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.btn-outline { background:transparent; border:2px solid var(--border); color:var(--text); }
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.btn-outline:hover { border-color:var(--primary); background:rgba(99,102,241,0.08); }
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/* --- Hero --- */
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.hero {
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padding:160px 0 80px; text-align:center; position:relative;
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background:radial-gradient(ellipse 80% 60% at 50% -10%, rgba(99,102,241,0.15), transparent 60%),
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radial-gradient(ellipse 60% 50% at 80% 80%, rgba(6,182,212,0.08), transparent 60%);
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}
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.hero h1 { font-size:clamp(2.4rem, 6vw, 4rem); font-weight:900; letter-spacing:-1.5px; line-height:1.1; margin-bottom:24px; }
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.hero h1 .gradient-text { background:var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
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.hero p { font-size:1.2rem; color:var(--text2); max-width:620px; margin:0 auto 40px; }
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.hero .actions { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
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.badge {
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display:inline-flex; align-items:center; gap:6px; padding:6px 14px; border-radius:999px;
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background:var(--surface2); border:1px solid var(--border); font-size:0.85rem; color:var(--text2);
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}
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.badge .dot { width:7px; height:7px; border-radius:50%; background:#22c55e; animation:pulse 2s infinite; }
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@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }
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/* --- Section --- */
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section { padding:100px 0; }
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.section-title { text-align:center; margin-bottom:60px; }
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.section-title h2 { font-size:2.2rem; font-weight:800; letter-spacing:-0.5px; margin-bottom:12px; }
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.section-title h2 span { background:var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
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.section-title p { color:var(--text2); font-size:1.1rem; }
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/* --- Feature Grid --- */
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.feature-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:24px; }
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.feature-card {
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background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
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padding:32px; transition:.3s; position:relative; overflow:hidden;
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}
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.feature-card:hover { border-color:var(--primary); transform:translateY(-4px); box-shadow:var(--shadow); }
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.feature-card::before {
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content:''; position:absolute; top:0; left:0; right:0; height:3px;
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background:var(--gradient); opacity:0; transition:.3s;
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}
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.feature-card:hover::before { opacity:1; }
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.feature-card .icon { font-size:2rem; margin-bottom:16px; }
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.feature-card h3 { font-size:1.2rem; margin-bottom:8px; }
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.feature-card p { color:var(--text2); font-size:0.95rem; }
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/* --- Code Block --- */
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.code-block {
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background:var(--surface2); border:1px solid var(--border); border-radius:var(--radius);
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padding:28px; font-family:'JetBrains Mono','Fira Code',monospace; font-size:0.88rem;
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overflow-x:auto; position:relative; line-height:1.7;
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}
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.code-block .keyword { color:#c084fc; }
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.code-block .string { color:#34d399; }
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.code-block .func { color:#60a5fa; }
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.code-block .comment { color:#64748b; }
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.code-block .number { color:#fbbf24; }
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.code-block .type { color:#f472b6; }
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/* --- Stats --- */
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.stats { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:24px; text-align:center; }
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.stat-card {
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background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:32px;
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}
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.stat-card .num { font-size:2.8rem; font-weight:900; background:var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
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.stat-card .label { color:var(--text2); font-size:0.95rem; margin-top:4px; }
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/* --- Footer --- */
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footer { border-top:1px solid var(--border); padding:40px 0; text-align:center; color:var(--text2); }
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footer a { color:var(--primary); text-decoration:none; }
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/* --- Responsive --- */
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@media(max-width:768px){
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nav { display:none; }
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.hero { padding:120px 0 60px; }
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section { padding:60px 0; }
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}
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</style>
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</head>
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<body>
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<canvas class="bg-canvas" id="bg"></canvas>
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<header>
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<div class="container">
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<div class="logo">
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<div class="icon">◈</div>
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<span>metona-sqlark</span>
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</div>
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<nav>
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<a href="index.html">首页</a>
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<a href="docs.html">文档</a>
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<a href="demo.html">演示</a>
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<a href="https://git.metona.cn/MetonaTeam/metona-sqlark" target="_blank">GitHub</a>
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</nav>
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<a href="demo.html" class="btn btn-primary">立即体验</a>
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</div>
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</header>
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<!-- Hero -->
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<section class="hero">
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<div class="container">
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<div class="badge" style="margin-bottom:24px;"><span class="dot"></span> v0.1.11 已发布</div>
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<h1>前端的 <span class="gradient-text">SQL 数据库</span></h1>
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<p>TypeScript 原生构建，内存与磁盘双模式，支持完整 SQL 查询。<br>零运行时依赖，开箱即用。</p>
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<div class="actions">
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<a href="demo.html" class="btn btn-primary" style="font-size:1.05rem;padding:14px 32px;">▶ 在线演示</a>
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<a href="docs.html" class="btn btn-outline" style="font-size:1.05rem;padding:14px 32px;">📖 API 文档</a>
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</div>
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</div>
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</section>
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<!-- Features -->
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<section>
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<div class="container">
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<div class="section-title">
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<h2>为什么选择 <span>metona-sqlark</span></h2>
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<p>专为前端打造的数据库引擎</p>
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</div>
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<div class="feature-grid">
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<div class="feature-card">
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<div class="icon">🧠</div>
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<h3>双模式存储</h3>
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<p>Memory（内存）保证极致速度，Disk（IndexedDB / OPFS）提供持久化。Hybrid 模式一键兼顾。</p>
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</div>
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<div class="feature-card">
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<div class="icon">⚡</div>
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<h3>完整 SQL 支持</h3>
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<p>SELECT / INSERT / UPDATE / DELETE / JOIN / GROUP BY / HAVING / DISTINCT — 手写递归下降解析器。</p>
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</div>
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<div class="feature-card">
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<div class="icon">🔗</div>
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<h3>Query Builder</h3>
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<p>链式 API，TypeScript 友好。.select().where().innerJoin().orderBy().limit() — 代码即查询。</p>
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</div>
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<div class="feature-card">
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<div class="icon">🔒</div>
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<h3>事务支持</h3>
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<p>原子性操作，事务内任意步骤失败自动回滚。IndexedDB 引擎利用浏览器原生事务。</p>
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</div>
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<div class="feature-card">
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<div class="icon">🧩</div>
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<h3>插件系统</h3>
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<p>14 种生命周期钩子，注册自定义插件。beforeQuery / afterInsert / beforeTransaction……</p>
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</div>
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<div class="feature-card">
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<div class="icon">📦</div>
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<h3>零运行时依赖</h3>
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<p>纯 TypeScript 实现，不依赖任何第三方库。Tree-shakable，最小体积不到 10KB gzip。</p>
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</div>
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</div>
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</div>
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</section>
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<!-- Code Example -->
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<section style="background:var(--gradient2);">
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<div class="container">
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<div class="section-title">
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<h2>5 行<span>代码</span>开始</h2>
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<p>像写 SQL 一样操作前端数据</p>
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</div>
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<div class="code-block">
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<pre><span class="comment">// 创建数据库</span>
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<span class="keyword">const</span> db = <span class="keyword">await</span> <span class="func">MetonaSqlark.create</span>({ <span class="string">name</span>: <span class="string">'my-app'</span>, <span class="string">mode</span>: <span class="string">'hybrid'</span> });
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<span class="comment">// 定义表结构</span>
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<span class="keyword">await</span> db.<span class="func">defineTable</span>(<span class="string">'users'</span>, {
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<span class="string">id</span>: { <span class="string">type</span>: <span class="string">'string'</span>, <span class="string">primaryKey</span>: <span class="keyword">true</span> },
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<span class="string">name</span>: { <span class="string">type</span>: <span class="string">'string'</span>, <span class="string">required</span>: <span class="keyword">true</span> },
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<span class="string">age</span>: { <span class="string">type</span>: <span class="string">'number'</span> },
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});
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<span class="comment">// SQL 查询</span>
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<span class="keyword">await</span> db.<span class="func">query</span>(<span class="string">"INSERT INTO users VALUES ('1', 'Alice', 30)"</span>);
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<span class="keyword">const</span> rows = <span class="keyword">await</span> db.<span class="func">query</span>(<span class="string">'SELECT * FROM users WHERE age > 18'</span>);
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<span class="comment">// 或者 Query Builder</span>
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<span class="keyword">const</span> rows2 = <span class="keyword">await</span> db.<span class="func">table</span>(<span class="string">'users'</span>)
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.<span class="func">select</span>().<span class="func">where</span>({ <span class="string">age</span>: { <span class="string">$gt</span>: <span class="number">18</span> } })
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.<span class="func">orderBy</span>(<span class="string">'name'</span>).<span class="func">limit</span>(<span class="number">10</span>).<span class="func">execute</span>();</pre>
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</div>
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</div>
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</section>
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<!-- Stats -->
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<section>
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<div class="container">
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<div class="section-title">
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<h2>用<span>数字</span>说话</h2>
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<p>metona-sqlark 的核心指标</p>
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</div>
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<div class="stats">
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<div class="stat-card"><div class="num">235+</div><div class="label">测试用例</div></div>
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<div class="stat-card"><div class="num">78.9%</div><div class="label">代码覆盖率</div></div>
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<div class="stat-card"><div class="num">~10KB</div><div class="label">gzip 体积</div></div>
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<div class="stat-card"><div class="num">4</div><div class="label">存储引擎</div></div>
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</div>
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</div>
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</section>
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<footer>
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<div class="container">
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<p>© 2026 <a href="https://git.metona.cn/MetonaTeam/metona-sqlark">MetonaTeam</a>. MIT License. Built with TypeScript.</p>
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</div>
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</footer>
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<script>
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// Particle background
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const canvas = document.getElementById('bg');
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const ctx = canvas.getContext('2d');
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let particles = [];
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function resize() {
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canvas.width = window.innerWidth;
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canvas.height = window.innerHeight;
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}
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resize(); window.addEventListener('resize', resize);
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class Particle {
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constructor() {
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this.reset();
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}
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reset() {
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this.x = Math.random() * canvas.width;
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this.y = Math.random() * canvas.height;
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this.vx = (Math.random() - 0.5) * 0.5;
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this.vy = (Math.random() - 0.5) * 0.5;
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this.size = Math.random() * 2 + 0.5;
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this.opacity = Math.random() * 0.4 + 0.1;
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}
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update() {
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this.x += this.vx; this.y += this.vy;
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if (this.x < 0 || this.x > canvas.width) this.vx *= -1;
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if (this.y < 0 || this.y > canvas.height) this.vy *= -1;
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}
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draw() {
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ctx.beginPath();
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ctx.arc(this.x, this.y, this.size, 0, Math.PI * 2);
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ctx.fillStyle = `rgba(99,102,241,${this.opacity})`;
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ctx.fill();
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}
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}
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for (let i = 0; i < 80; i++) particles.push(new Particle());
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function animate() {
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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particles.forEach(p => { p.update(); p.draw(); });
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// Draw connections
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for (let i = 0; i < particles.length; i++) {
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for (let j = i + 1; j < particles.length; j++) {
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const dx = particles[i].x - particles[j].x;
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const dy = particles[i].y - particles[j].y;
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const dist = Math.sqrt(dx * dx + dy * dy);
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if (dist < 120) {
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ctx.beginPath();
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ctx.moveTo(particles[i].x, particles[i].y);
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ctx.lineTo(particles[j].x, particles[j].y);
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ctx.strokeStyle = `rgba(99,102,241,${0.06 * (1 - dist / 120)})`;
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ctx.stroke();
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}
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}
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}
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requestAnimationFrame(animate);
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}
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animate();
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</script>
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</body>
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</html>
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