feat: initial release of pengzhan.dev personal editorial blog platform

- Editorial web platform built with Node.js, Express, EJS, and Vanilla CSS - Markdown content engine with YAML frontmatter, bilingual variants, and hot-reload watcher - Unified SQLite with FTS5 search indexing, query logging, and schema filters - Centered editorial post layout with margin-docked left TOC and mobile bottom sheet - WordPress-grade comment system with moderation dashboard and bulk operations under /guanli - Complete SEO suite (JSON-LD structured data, RSS/Atom feeds, XML sitemap, robots.txt) - CI/CD workflows for linting, security audits (Gitleaks), automated tests, and Docker releases
2026-09-16 23:08:53 -07:00
parent ac2c4c09ef
commit 8c0b04db0e
126 changed files with 8515 additions and 3984 deletions
@@ -0,0 +1,106 @@
+function generateJsonLd(site, seo, req) {
+  const siteUrl = site.url || 'https://pengzhan.dev';
+  const person = {
+    '@type': 'Person',
+    '@id': `${siteUrl}/#person`,
+    name: (site.author && site.author.name) || site.title,
+    url: siteUrl,
+    jobTitle: (site.author && site.author.subtitle) || 'Software Engineer',
+    sameAs: (site.social || []).map(s => s.url).filter(Boolean)
+  };
+
+  const website = {
+    '@type': 'WebSite',
+    '@id': `${siteUrl}/#website`,
+    url: siteUrl,
+    name: site.title,
+    description: site.tagline,
+    publisher: { '@id': `${siteUrl}/#person` },
+    potentialAction: [
+      {
+        '@type': 'SearchAction',
+        target: {
+          '@type': 'EntryPoint',
+          urlTemplate: `${siteUrl}/search?q={search_term_string}`
+        },
+        'query-input': 'required name=search_term_string'
+      }
+    ]
+  };
+
+  const graph = [person, website];
+
+  if (seo.type === 'article') {
+    const blogPosting = {
+      '@type': 'BlogPosting',
+      '@id': `${seo.canonicalUrl}#article`,
+      isPartOf: { '@id': `${siteUrl}/#website` },
+      author: { '@id': `${siteUrl}/#person` },
+      headline: seo.title,
+      datePublished: seo.publishedTime || new Date().toISOString(),
+      dateModified: seo.modifiedTime || seo.publishedTime || new Date().toISOString(),
+      mainEntityOfPage: seo.canonicalUrl,
+      description: seo.description,
+      image: seo.ogImage,
+      articleSection: seo.category || 'Tech',
+      keywords: Array.isArray(seo.tags) ? seo.tags.join(', ') : seo.tags
+    };
+    graph.push(blogPosting);
+  }
+
+  // Breadcrumbs
+  const breadcrumbItems = [
+    {
+      '@type': 'ListItem',
+      position: 1,
+      name: 'Home',
+      item: siteUrl
+    }
+  ];
+
+  if (req.path !== '/') {
+    breadcrumbItems.push({
+      '@type': 'ListItem',
+      position: 2,
+      name: seo.title,
+      item: seo.canonicalUrl
+    });
+  }
+
+  graph.push({
+    '@type': 'BreadcrumbList',
+    '@id': `${seo.canonicalUrl}#breadcrumb`,
+    itemListElement: breadcrumbItems
+  });
+
+  return JSON.stringify({
+    '@context': 'https://schema.org',
+    '@graph': graph
+  });
+}
+
+function seoMiddleware(siteConfig) {
+  return (req, res, next) => {
+    res.locals.site = siteConfig.site;
+    res.locals.navigation = siteConfig.navigation;
+    res.locals.social = siteConfig.social;
+    res.locals.currentPath = req.path;
+
+    // Helper to generate SEO metadata
+    res.locals.seo = {
+      title: siteConfig.site.title,
+      description: siteConfig.site.tagline,
+      canonicalUrl: `${siteConfig.site.url}${req.path}`,
+      ogImage: `${siteConfig.site.url}/images/og-default.png`,
+      type: 'website',
+      tags: [],
+      category: ''
+    };
+
+    res.locals.getJsonLd = () => generateJsonLd(siteConfig.site, res.locals.seo, req);
+
+    next();
+  };
+}
+
+module.exports = seoMiddleware;