From 5b7ccf0b671e2999b62befc729a3e517a0433728 Mon Sep 17 00:00:00 2001
From: Bertrand Yuan <bert.yuan@outlook.com>
Date: Mon, 15 Dec 2025 23:48:10 +0800
Subject: initial commit -- the front-end prototype

The initial code is base on Anirudh's work.

More to see at:

    https://github.com/techwithanirudh/shadcn-blog

Therefore, the code in this commit is under MIT license.
---
 src/lib/source.ts | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 src/lib/source.ts

(limited to 'src/lib/source.ts')

diff --git a/src/lib/source.ts b/src/lib/source.ts
new file mode 100644
index 0000000..34bc7ac
--- /dev/null
+++ b/src/lib/source.ts
@@ -0,0 +1,40 @@
+import { loader } from 'fumadocs-core/source';
+import type { InferMetaType, InferPageType } from 'fumadocs-core/source';
+import { createMDXSource } from 'fumadocs-mdx';
+import { blog } from '.source';
+
+export const source = loader({
+  baseUrl: '/posts',
+  source: createMDXSource(blog),
+});
+export const { getPage: getPost, getPages: getPosts, pageTree } = source;
+
+export type Post = ReturnType<typeof getPost>;
+
+const posts = getPosts();
+
+export const getSortedByDatePosts = () =>
+  posts.toSorted((a, b) => b.data.date.getTime() - a.data.date.getTime());
+
+export const getTags = () => {
+  const tagSet = new Set<string>();
+
+  for (const post of posts) {
+    if (post.data.tags) {
+      for (const tag of post.data.tags) {
+        tagSet.add(tag);
+      }
+    }
+  }
+
+  return Array.from(tagSet).toSorted();
+};
+
+export const getPostsByTag = (tag: string) => {
+  return posts
+    .filter((post) => post.data.tags?.includes(tag))
+    .toSorted((a, b) => b.data.date.getTime() - a.data.date.getTime());
+};
+
+export type Page = InferPageType<typeof source>;
+export type Meta = InferMetaType<typeof source>;
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