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

lib/mdx.ts

@@ -18,11 +18,61 @@ export interface ProductMdx {
   content: string;
 }
 
+export async function getProductMetadata(
+  slug: string,
+  locale: string,
+): Promise<Partial<ProductMdx> | null> {
+  // Map translated slug to file slug
+  const fileSlug = await mapSlugToFileSlug(slug, locale);
+  const productsDir = path.join(process.cwd(), 'data', 'products', locale);
+
+  // Try exact slug first
+  let filePath = path.join(productsDir, `${fileSlug}.mdx`);
+
+  if (!fs.existsSync(filePath)) {
+    // Try with -2 suffix (common in the dumped files)
+    filePath = path.join(productsDir, `${fileSlug}-2.mdx`);
+  }
+
+  if (!fs.existsSync(filePath)) {
+    // Fallback to English if locale is not 'en'
+    if (locale !== 'en') {
+      const enProductsDir = path.join(process.cwd(), 'data', 'products', 'en');
+      let enFilePath = path.join(enProductsDir, `${fileSlug}.mdx`);
+      if (!fs.existsSync(enFilePath)) {
+        enFilePath = path.join(enProductsDir, `${fileSlug}-2.mdx`);
+      }
+
+      if (fs.existsSync(enFilePath)) {
+        const fileContent = fs.readFileSync(enFilePath, 'utf8');
+        const { data } = matter(fileContent);
+        return {
+          slug: fileSlug,
+          frontmatter: {
+            ...data,
+            isFallback: true,
+          } as ProductFrontmatter & { isFallback?: boolean },
+        };
+      }
+    }
+  } else {
+    const fileContent = fs.readFileSync(filePath, 'utf8');
+    const { data } = matter(fileContent);
+
+    return {
+      slug: fileSlug,
+      frontmatter: data as ProductFrontmatter,
+    };
+  }
+
+  return null;
+}
+
 export async function getProductBySlug(slug: string, locale: string): Promise<ProductMdx | null> {
   // Map translated slug to file slug
   const fileSlug = await mapSlugToFileSlug(slug, locale);
   const productsDir = path.join(process.cwd(), 'data', 'products', locale);
-  
+
   // Try exact slug first
   let filePath = path.join(productsDir, `${fileSlug}.mdx`);
 
@@ -41,7 +91,7 @@ export async function getProductBySlug(slug: string, locale: string): Promise<Pr
       if (!fs.existsSync(enFilePath)) {
         enFilePath = path.join(enProductsDir, `${fileSlug}-2.mdx`);
       }
-      
+
       if (fs.existsSync(enFilePath)) {
         const fileContent = fs.readFileSync(enFilePath, 'utf8');
         const { data, content } = matter(fileContent);
@@ -49,7 +99,7 @@ export async function getProductBySlug(slug: string, locale: string): Promise<Pr
           slug: fileSlug,
           frontmatter: {
             ...data,
-            isFallback: true
+            isFallback: true,
           } as ProductFrontmatter & { isFallback?: boolean },
           content,
         };
@@ -67,7 +117,12 @@ export async function getProductBySlug(slug: string, locale: string): Promise<Pr
   }
 
   // Filter out products without images
-  if (product && (!product.frontmatter.images || product.frontmatter.images.length === 0 || !product.frontmatter.images[0])) {
+  if (
+    product &&
+    (!product.frontmatter.images ||
+      product.frontmatter.images.length === 0 ||
+      !product.frontmatter.images[0])
+  ) {
     return null;
   }
 
@@ -77,9 +132,9 @@ export async function getProductBySlug(slug: string, locale: string): Promise<Pr
 export async function getAllProductSlugs(locale: string): Promise<string[]> {
   const productsDir = path.join(process.cwd(), 'data', 'products', locale);
   if (!fs.existsSync(productsDir)) return [];
-  
+
   const files = fs.readdirSync(productsDir);
-  return files.filter(file => file.endsWith('.mdx')).map(file => file.replace(/\.mdx$/, ''));
+  return files.filter((file) => file.endsWith('.mdx')).map((file) => file.replace(/\.mdx$/, ''));
 }
 
 export async function getAllProducts(locale: string): Promise<ProductMdx[]> {
@@ -91,6 +146,19 @@ export async function getAllProducts(locale: string): Promise<ProductMdx[]> {
     allSlugs = Array.from(new Set([...slugs, ...enSlugs]));
   }
 
-  const products = await Promise.all(allSlugs.map(slug => getProductBySlug(slug, locale)));
+  const products = await Promise.all(allSlugs.map((slug) => getProductBySlug(slug, locale)));
   return products.filter((p): p is ProductMdx => p !== null);
 }
+
+export async function getAllProductsMetadata(locale: string): Promise<Partial<ProductMdx>[]> {
+  const slugs = await getAllProductSlugs(locale);
+  let allSlugs = slugs;
+
+  if (locale !== 'en') {
+    const enSlugs = await getAllProductSlugs('en');
+    allSlugs = Array.from(new Set([...slugs, ...enSlugs]));
+  }
+
+  const metadata = await Promise.all(allSlugs.map((slug) => getProductMetadata(slug, locale)));
+  return metadata.filter((m): m is Partial<ProductMdx> => m !== null);
+}