feat: Introduce metadata-only retrieval functions for posts, products, and pages to optimize sitemap generation.

lib/blog.ts

@@ -41,11 +41,11 @@ export async function getPostBySlug(slug: string, locale: string): Promise<PostM
 export async function getAllPosts(locale: string): Promise<PostMdx[]> {
   const postsDir = path.join(process.cwd(), 'data', 'blog', locale);
   if (!fs.existsSync(postsDir)) return [];
-  
+
   const files = fs.readdirSync(postsDir);
   const posts = files
-    .filter(file => file.endsWith('.mdx'))
-    .map(file => {
+    .filter((file) => file.endsWith('.mdx'))
+    .map((file) => {
       const filePath = path.join(postsDir, file);
       const fileContent = fs.readFileSync(filePath, 'utf8');
       const { data, content } = matter(fileContent);
@@ -55,14 +55,42 @@ export async function getAllPosts(locale: string): Promise<PostMdx[]> {
         content,
       };
     })
-    .sort((a, b) => new Date(b.frontmatter.date).getTime() - new Date(a.frontmatter.date).getTime());
+    .sort(
+      (a, b) => new Date(b.frontmatter.date).getTime() - new Date(a.frontmatter.date).getTime(),
+    );
 
   return posts;
 }
 
-export async function getAdjacentPosts(slug: string, locale: string): Promise<{ prev: PostMdx | null; next: PostMdx | null }> {
+export async function getAllPostsMetadata(locale: string): Promise<Partial<PostMdx>[]> {
+  const postsDir = path.join(process.cwd(), 'data', 'blog', locale);
+  if (!fs.existsSync(postsDir)) return [];
+
+  const files = fs.readdirSync(postsDir);
+  return files
+    .filter((file) => file.endsWith('.mdx'))
+    .map((file) => {
+      const filePath = path.join(postsDir, file);
+      const fileContent = fs.readFileSync(filePath, 'utf8');
+      const { data } = matter(fileContent);
+      return {
+        slug: file.replace(/\.mdx$/, ''),
+        frontmatter: data as PostFrontmatter,
+      };
+    })
+    .sort(
+      (a, b) =>
+        new Date(b.frontmatter.date as string).getTime() -
+        new Date(a.frontmatter.date as string).getTime(),
+    );
+}
+
+export async function getAdjacentPosts(
+  slug: string,
+  locale: string,
+): Promise<{ prev: PostMdx | null; next: PostMdx | null }> {
   const posts = await getAllPosts(locale);
-  const currentIndex = posts.findIndex(post => post.slug === slug);
+  const currentIndex = posts.findIndex((post) => post.slug === slug);
 
   if (currentIndex === -1) {
     return { prev: null, next: null };