📄 Huge intl feature

lib/remark-internal-links.ts

@@ -7,6 +7,10 @@ interface LinkNode extends Node {
   children: Node[]
 }
 
+interface Options {
+  locale?: string
+}
+
 /**
  * Detects internal blog post links:
  * - Relative paths (no http/https)
@@ -24,11 +28,11 @@ function isInternalBlogLink(url: string): boolean {
 
 /**
  * Transforms internal .md links to blog routes:
- * - tech/article.md → /blog/tech/article
- * - article.md#section → /blog/article#section
- * - nested/path/post.md?ref=foo → /blog/nested/path/post?ref=foo
+ * - tech/article.md → /[locale]/blog/tech/article
+ * - article.md#section → /[locale]/blog/article#section
+ * - nested/path/post.md?ref=foo → /[locale]/blog/nested/path/post?ref=foo
  */
-function transformToBlogPath(url: string): string {
+function transformToBlogPath(url: string, locale: string = 'en'): string {
   // Split into path, hash, and query
   const hashIndex = url.indexOf('#')
   const queryIndex = url.indexOf('?')
@@ -50,17 +54,19 @@ function transformToBlogPath(url: string): string {
   // Remove .md extension
   const cleanPath = path.replace(/\.md$/, '')
 
-  // Build final URL
-  return `/blog/${cleanPath}${query}${hash}`
+  // Build final URL with locale prefix
+  return `/${locale}/blog/${cleanPath}${query}${hash}`
 }
 
-export function remarkInternalLinks() {
+export function remarkInternalLinks(options: Options = {}) {
+  const locale = options.locale || 'en'
+
   return (tree: Node) => {
     visit(tree, 'link', (node: Node) => {
       const linkNode = node as LinkNode
 
       if (isInternalBlogLink(linkNode.url)) {
-        linkNode.url = transformToBlogPath(linkNode.url)
+        linkNode.url = transformToBlogPath(linkNode.url, locale)
       }
     })
   }