feat: optimize taxonomy data retrieval and streamline pagination handling

src/components/ui/Categories.astro

@@ -7,6 +7,7 @@ export interface Props {
 }
 
 const { categories, class: className = "text-sm" } = Astro.props;
+const categoryMap = getTaxonomyMap("category");
 ---
 
 {
@@ -18,7 +19,7 @@ const { categories, class: className = "text-sm" } = Astro.props;
             href={`/category/${getTaxonomyPath("category", category)}`}
             class="inline-block bg-primary/10 hover:bg-primary/20 text-primary hover:text-primary px-3 py-1 rounded-full border border-primary/20 transition-colors duration-200"
           >
-            {getTaxonomyMap("category").get(category)?.name ?? category}
+            {categoryMap.get(category)?.name ?? category}
           </a>
         </li>
       ))}

src/components/ui/Destinations.astro

@@ -7,6 +7,7 @@ export interface Props {
 }
 
 const { destinations, class: className = "text-sm" } = Astro.props;
+const destinationMap = getTaxonomyMap("destination");
 ---
 
 {
@@ -32,8 +33,7 @@ const { destinations, class: className = "text-sm" } = Astro.props;
               <path d="M20 10c0 6-8 12-8 12s-8-6-8-12a8 8 0 0 1 16 0Z" />
               <circle cx="12" cy="10" r="3" />
             </svg>
-            {getTaxonomyMap("destination").get(destination)?.name ??
-              destination}
+            {destinationMap.get(destination)?.name ?? destination}
           </a>
         </li>
       ))}

src/components/ui/Tags.astro

@@ -7,6 +7,7 @@ export interface Props {
 }
 
 const { tags, class: className = "text-sm" } = Astro.props;
+const tagMap = getTaxonomyMap("tag");
 ---
 
 {
@@ -18,7 +19,7 @@ const { tags, class: className = "text-sm" } = Astro.props;
             href={`/tag/${tag}`}
             class="inline-block bg-muted/50 hover:bg-muted text-muted-foreground hover:text-foreground px-3 py-1 rounded-full border border-border transition-colors duration-200"
           >
-            #{getTaxonomyMap("tag").get(tag)?.name ?? tag}
+            #{tagMap.get(tag)?.name ?? tag}
           </a>
         </li>
       ))}

src/pages/category/[...rest].astro

@@ -35,7 +35,6 @@ export async function getStaticPaths() {
         params: { rest: pageParam ? `${fullPath}/${pageParam}` : fullPath },
         props: {
           cat,
-          fullPath,
           posts: page.data,
           currentPage: page.currentPage,
           lastPage: page.lastPage,

src/pages/category/[category]/[...page].astro

@@ -1,71 +0,0 @@
----
-import BaseLayout from "@/layouts/BaseLayout.astro";
-import { getCollection } from "astro:content";
-import Headline from "@/components/ui/Headline.astro";
-import PostItem from "@/components/blog/PostItem.astro";
-import Pagination from "@/components/ui/Pagination.astro";
-import { getTaxonomyMap } from "@/utils/taxonomy";
-import { buildPaginatedPaths } from "@/utils/paginate";
-
-export async function getStaticPaths() {
-  const allPosts = await getCollection("blog");
-  const posts = allPosts.filter((post) => post.data && post.data.pubDate);
-
-  const categories = new Set<string>();
-  posts.forEach((post) => {
-    post.data.categories?.forEach((cat) => categories.add(cat));
-  });
-
-  return Array.from(categories).flatMap((category) => {
-    const categoryPosts = posts
-      .filter((post) => post.data.categories?.includes(category))
-      .sort((a, b) => b.data.pubDate.valueOf() - a.data.pubDate.valueOf());
-
-    return buildPaginatedPaths(categoryPosts, `/category/${category}`).map(
-      ({ pageParam, page }) => ({
-        params: { category, page: pageParam },
-        props: { page },
-      }),
-    );
-  });
-}
-
-const { page } = Astro.props;
-const { category } = Astro.params;
-
-const categoryInfo = getTaxonomyMap("category").get(category!);
-const displayName = categoryInfo?.name ?? category!;
-const description = categoryInfo?.description;
-
-const metadata = {
-  title: displayName,
-  description: description ?? `Các bài viết trong danh mục ${displayName}.`,
-};
----
-
-<BaseLayout metadata={metadata}>
-  <section class="relative px-4 py-8 sm:px-6 lg:px-8 md:py-12">
-    <div class="relative mx-auto max-w-5xl">
-      <Headline
-        tagline="Category"
-        title={displayName}
-        subtitle={description ?? `Hiển thị ${page.total} bài viết.`}
-        classes={{
-          container: "mb-12 text-center",
-          title:
-            "font-heading mb-4 text-4xl font-bold tracking-tight text-foreground md:text-6xl capitalized",
-          subtitle: "mx-auto max-w-3xl text-xl text-muted-foreground",
-        }}
-      />
-
-      <div class="mb-8 text-center">
-        <a href="/blog" class="text-primary hover:underline">← Quay lại blog</a>
-      </div>
-
-      <div class="grid gap-8 md:grid-cols-2 lg:grid-cols-3">
-        {page.data.map((post) => <PostItem post={post} />)}
-      </div>
-      <Pagination page={page} />
-    </div>
-  </section>
-</BaseLayout>

src/pages/destination/[...rest].astro

@@ -35,7 +35,6 @@ export async function getStaticPaths() {
         params: { rest: pageParam ? `${fullPath}/${pageParam}` : fullPath },
         props: {
           dest,
-          fullPath,
           posts: page.data,
           currentPage: page.currentPage,
           lastPage: page.lastPage,

src/utils/paginate.ts

@@ -14,7 +14,9 @@ export interface PageMeta {
  * @param items    Full sorted list of items to paginate.
  * @param basePath Base URL without trailing slash, e.g. "/blog" or "/category/travel".
  * @param pageSize Number of items per page (default: DEFAULT_PAGE_SIZE).
- * @returns        Array of { params: { page }, props: { page: PageMeta } }.
+ * @returns        Array of { pageParam, page } objects where pageParam is the route segment
+ *                 (undefined for page 1, "page/N" for N≥2) and page is a PageMeta object.
+ *                 Callers should map these into Astro's { params, props } format.
  */
 export function buildPaginatedPaths<T>(
   items: T[],

src/utils/taxonomy.ts

@@ -34,7 +34,7 @@ function buildHierarchicalPath(
   visited.add(slug);
   const item = map.get(slug);
   if (!item?.parent) return slug;
-  return `${buildHierarchicalPath(item.parent, map, new Set(visited))}/${slug}`;
+  return `${buildHierarchicalPath(item.parent, map, visited)}/${slug}`;
 }
 
 export function getTaxonomyPath(type: string, slug: string): string {