slug i18n

lib/blog.ts

@@ -1,6 +1,7 @@
 import fs from 'fs';
 import path from 'path';
 import matter from 'gray-matter';
+import { mapSlugToFileSlug } from './slugs';
 
 export interface PostFrontmatter {
   title: string;
@@ -18,8 +19,10 @@ export interface PostMdx {
 }
 
 export async function getPostBySlug(slug: string, locale: string): Promise<PostMdx | null> {
+  // Map translated slug to file slug
+  const fileSlug = await mapSlugToFileSlug(slug, locale);
   const postsDir = path.join(process.cwd(), 'data', 'blog', locale);
-  const filePath = path.join(postsDir, `${slug}.mdx`);
+  const filePath = path.join(postsDir, `${fileSlug}.mdx`);
 
   if (!fs.existsSync(filePath)) {
     return null;
@@ -29,7 +32,7 @@ export async function getPostBySlug(slug: string, locale: string): Promise<PostM
   const { data, content } = matter(fileContent);
 
   return {
-    slug,
+    slug: fileSlug,
     frontmatter: data as PostFrontmatter,
     content,
   };