🪛 03 routing

lib/markdown.ts

@@ -52,12 +52,13 @@ export function validateFrontmatter(data: any): FrontMatter {
   };
 }
 
-export function getPostBySlug(slug: string[]): Post {
-  const sanitized = slug.map(s => sanitizePath(s));
+export function getPostBySlug(slug: string | string[]): Post | null {
+  const slugArray = Array.isArray(slug) ? slug : [slug];
+  const sanitized = slugArray.map(s => sanitizePath(s));
   const fullPath = path.join(POSTS_PATH, ...sanitized) + '.md';
 
   if (!fs.existsSync(fullPath)) {
-    throw new Error('Post not found');
+    return null;
   }
 
   const fileContents = fs.readFileSync(fullPath, 'utf8');
@@ -89,7 +90,7 @@ export function getAllPosts(includeContent = false): Post[] {
         const slug = prefix ? `${prefix}/${file.replace(/\.md$/, '')}` : file.replace(/\.md$/, '');
         try {
           const post = getPostBySlug(slug.split('/'));
-          if (!post.frontmatter.draft) {
+          if (post && !post.frontmatter.draft) {
             posts.push(includeContent ? post : { ...post, content: '' });
           }
         } catch (error) {
@@ -106,8 +107,12 @@ export function getAllPosts(includeContent = false): Post[] {
   return posts.sort((a, b) => new Date(b.frontmatter.date).getTime() - new Date(a.frontmatter.date).getTime());
 }
 
-export function getRelatedPosts(currentSlug: string, category: string, tags: string[], limit = 3): Post[] {
+export async function getRelatedPosts(currentSlug: string, limit = 3): Promise<Post[]> {
+  const currentPost = getPostBySlug(currentSlug);
+  if (!currentPost) return [];
+
   const allPosts = getAllPosts(false);
+  const { category, tags } = currentPost.frontmatter;
 
   const scored = allPosts
     .filter(post => post.slug !== currentSlug)

lib/seo.ts

@@ -0,0 +1,33 @@
+export interface SEOData {
+  title: string
+  description: string
+  url: string
+  image?: string
+  type?: 'website' | 'article'
+  author?: string
+  publishedTime?: string
+}
+
+export function generateStructuredData(data: SEOData) {
+  const structuredData: any = {
+    '@context': 'https://schema.org',
+    '@type': data.type === 'article' ? 'BlogPosting' : 'WebSite',
+    headline: data.title,
+    description: data.description,
+    url: data.url,
+  }
+
+  if (data.image) {
+    structuredData.image = data.image
+  }
+
+  if (data.type === 'article') {
+    structuredData.author = {
+      '@type': 'Person',
+      name: data.author || 'Unknown',
+    }
+    structuredData.datePublished = data.publishedTime
+  }
+
+  return JSON.stringify(structuredData)
+}