haopengzhan
8c0b04db0e
- 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
89 lines
2.6 KiB
JavaScript
89 lines
2.6 KiB
JavaScript
const MarkdownIt = require('markdown-it');
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const markdownItAnchor = require('markdown-it-anchor');
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const markdownItFootnote = require('markdown-it-footnote');
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const markdownItAttrs = require('markdown-it-attrs');
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const Prism = require('prismjs');
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require('prismjs/components/prism-bash');
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require('prismjs/components/prism-json');
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require('prismjs/components/prism-yaml');
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require('prismjs/components/prism-python');
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require('prismjs/components/prism-go');
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require('prismjs/components/prism-docker');
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require('prismjs/components/prism-sql');
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require('prismjs/components/prism-typescript');
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require('prismjs/components/prism-markdown');
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function slugifyHeading(s) {
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return encodeURIComponent(String(s).trim().toLowerCase().replace(/\s+/g, '-'));
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}
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function createMarkdownRenderer(pluginManager) {
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const md = new MarkdownIt({
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html: true,
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linkify: true,
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typographer: true,
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highlight: function (str, lang) {
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if (lang && Prism.languages[lang]) {
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try {
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return `<pre class="language-${lang}"><code class="language-${lang}">${Prism.highlight(str, Prism.languages[lang], lang)}</code></pre>`;
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} catch (__) {}
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}
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const escaped = md.utils.escapeHtml(str);
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return `<pre class="language-text"><code class="language-text">${escaped}</code></pre>`;
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}
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});
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md.use(markdownItAnchor, {
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slugify: slugifyHeading,
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permalink: markdownItAnchor.permalink.linkInsideHeader({
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symbol: '#',
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placement: 'after',
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ariaHidden: true
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})
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});
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md.use(markdownItFootnote);
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md.use(markdownItAttrs);
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// Disable indented code blocks (4 spaces) so indented HTML elements don't get converted to <pre><code>
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md.disable('code');
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if (pluginManager) {
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pluginManager.applyMarkdownHooks(md);
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}
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return md;
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}
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function extractToc(markdownContent) {
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const headings = [];
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const lines = markdownContent.split(/\r?\n/);
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let inCodeBlock = false;
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for (const line of lines) {
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if (line.trim().startsWith('```')) {
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inCodeBlock = !inCodeBlock;
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continue;
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}
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if (inCodeBlock) continue;
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const match = line.match(/^(#{1,6})\s+(.+)$/);
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if (match) {
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const level = match[1].length;
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// Strip markdown links/formatting from heading text for TOC display
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const title = match[2].replace(/\[([^\]]+)\]\([^)]+\)/g, '$1').replace(/[*_`]/g, '').trim();
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const id = slugifyHeading(title);
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headings.push({ level, title, id });
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}
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}
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// Build hierarchical tree if needed or flat list with levels
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return headings;
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}
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module.exports = {
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createMarkdownRenderer,
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extractToc,
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slugifyHeading
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};
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