feat(blog/nuldoc): implement pagination

1 files changed, 44 insertions, 4 deletions

diff --git a/vhosts/blog/nuldoc-src/generators/post_list.ts b/vhosts/blog/nuldoc-src/generators/post_list.ts
index 67a4b996..b05f7ee6 100644
--- a/vhosts/blog/nuldoc-src/generators/post_list.ts
+++ b/vhosts/blog/nuldoc-src/generators/post_list.ts
@@ -6,18 +6,58 @@ import { PostPage } from "./post.ts";
 
 export type PostListPage = Page;
 
-export async function generatePostListPage(
+export async function generatePostListPages(
   posts: PostPage[],
   config: Config,
+): Promise<PostListPage[]> {
+  const postsPerPage = config.blog.postsPerPage;
+  const totalPages = Math.ceil(posts.length / postsPerPage);
+  const pages: PostListPage[] = [];
+
+  for (let pageIndex = 0; pageIndex < totalPages; pageIndex++) {
+    const pagePosts = posts.slice(
+      pageIndex * postsPerPage,
+      (pageIndex + 1) * postsPerPage,
+    );
+
+    const page = await generatePostListPage(
+      pagePosts,
+      config,
+      pageIndex + 1,
+      totalPages,
+    );
+
+    pages.push(page);
+  }
+
+  return pages;
+}
+
+async function generatePostListPage(
+  posts: PostPage[],
+  config: Config,
+  currentPage: number,
+  totalPages: number,
 ): Promise<PostListPage> {
   const html = await renderToDOM(
-    PostListPage(posts, config),
+    PostListPage(
+      posts,
+      config,
+      currentPage,
+      totalPages,
+    ),
   );
 
+  const destFilePath = currentPage === 1
+    ? "/posts/index.html"
+    : `/posts/${currentPage}/index.html`;
+
+  const href = currentPage === 1 ? "/posts/" : `/posts/${currentPage}/`;
+
   return {
     root: html,
     renderer: "html",
-    destFilePath: "/posts/index.html",
-    href: "/posts/",
+    destFilePath,
+    href,
   };
 }