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 +1,88 @@
+const MarkdownIt = require('markdown-it');
+const markdownItAnchor = require('markdown-it-anchor');
+const markdownItFootnote = require('markdown-it-footnote');
+const markdownItAttrs = require('markdown-it-attrs');
+const Prism = require('prismjs');
+require('prismjs/components/prism-bash');
+require('prismjs/components/prism-json');
+require('prismjs/components/prism-yaml');
+require('prismjs/components/prism-python');
+require('prismjs/components/prism-go');
+require('prismjs/components/prism-docker');
+require('prismjs/components/prism-sql');
+require('prismjs/components/prism-typescript');
+require('prismjs/components/prism-markdown');
+
+function slugifyHeading(s) {
+  return encodeURIComponent(String(s).trim().toLowerCase().replace(/\s+/g, '-'));
+}
+
+function createMarkdownRenderer(pluginManager) {
+  const md = new MarkdownIt({
+    html: true,
+    linkify: true,
+    typographer: true,
+    highlight: function (str, lang) {
+      if (lang && Prism.languages[lang]) {
+        try {
+          return `<pre class="language-${lang}"><code class="language-${lang}">${Prism.highlight(str, Prism.languages[lang], lang)}</code></pre>`;
+        } catch (__) {}
+      }
+      const escaped = md.utils.escapeHtml(str);
+      return `<pre class="language-text"><code class="language-text">${escaped}</code></pre>`;
+    }
+  });
+
+  md.use(markdownItAnchor, {
+    slugify: slugifyHeading,
+    permalink: markdownItAnchor.permalink.linkInsideHeader({
+      symbol: '#',
+      placement: 'after',
+      ariaHidden: true
+    })
+  });
+
+  md.use(markdownItFootnote);
+  md.use(markdownItAttrs);
+
+  // Disable indented code blocks (4 spaces) so indented HTML elements don't get converted to <pre><code>
+  md.disable('code');
+
+  if (pluginManager) {
+    pluginManager.applyMarkdownHooks(md);
+  }
+
+  return md;
+}
+
+function extractToc(markdownContent) {
+  const headings = [];
+  const lines = markdownContent.split(/\r?\n/);
+  let inCodeBlock = false;
+
+  for (const line of lines) {
+    if (line.trim().startsWith('```')) {
+      inCodeBlock = !inCodeBlock;
+      continue;
+    }
+    if (inCodeBlock) continue;
+
+    const match = line.match(/^(#{1,6})\s+(.+)$/);
+    if (match) {
+      const level = match[1].length;
+      // Strip markdown links/formatting from heading text for TOC display
+      const title = match[2].replace(/\[([^\]]+)\]\([^)]+\)/g, '$1').replace(/[*_`]/g, '').trim();
+      const id = slugifyHeading(title);
+      headings.push({ level, title, id });
+    }
+  }
+
+  // Build hierarchical tree if needed or flat list with levels
+  return headings;
+}
+
+module.exports = {
+  createMarkdownRenderer,
+  extractToc,
+  slugifyHeading
+};