feat: ause astro collection to type safe data fetching

src/blog/post-1.md

@@ -1,5 +1,4 @@
 ---
-layout: "../../layouts/BlogPostLayout.astro"
 title: My first blog post
 description: This is my first blog post
 pubDate: 2024-12-30

src/blog/post-2.md

@@ -1,5 +1,4 @@
 ---
-layout: "../../layouts/BlogPostLayout.astro"
 title: My Second Blog Post
 author: Astro Learner
 description: "After learning some Astro, I couldn't stop!"

src/blog/post-3.md

@@ -1,5 +1,4 @@
 ---
-layout: "../../layouts/BlogPostLayout.astro"
 title: My Third Blog Post
 author: Astro Learner
 description: "I had some challenges, but asking in the community really helped!"

src/blog/post-4.md

@@ -1,5 +1,4 @@
 ---
-layout: "../../layouts/BlogPostLayout.astro"
 title: My Fourth Blog Post
 author: Astro Learner
 description: "This post will show up on its own!"

src/content.config.ts

@@ -0,0 +1,19 @@
+import { glob } from "astro/loaders";
+import { defineCollection, z } from "astro:content";
+
+const blog = defineCollection({
+  loader: glob({ pattern: "**/[^_]*.md", base: "./src/blog" }),
+  schema: z.object({
+    title: z.string(),
+    description: z.string(),
+    pubDate: z.date(),
+    author: z.string(),
+    tags: z.array(z.string()),
+    image: z.object({
+      url: z.string(),
+      alt: z.string(),
+    }),
+  }),
+});
+
+export const collections = { blog };

src/layouts/BlogPostLayout.astro

@@ -4,7 +4,7 @@ const { frontmatter } = Astro.props;
 ---
 
 <BaseLayout pageTitle={frontmatter.title}>
-  <p>Published on: {frontmatter.pubDate.toString().slice(0, 10)}</p>
+  <p>Published on: {frontmatter.pubDate.toLocaleDateString()}</p>
   <p><em>{frontmatter.description}</em></p>
   <p>Written by: {frontmatter.author}</p>
   <img src={frontmatter.image.url} alt={frontmatter.image.alt} width="500" />

src/pages/blog.astro

@@ -2,12 +2,11 @@
 import "../styles/global.css";
 import BaseLayout from "../layouts/BaseLayout.astro";
 import BLogPost from "../components/BLogPost.astro";
+import { getCollection } from "astro:content";
 
 const pageTitle = "Blog posts";
 
-const allPosts = Object.values(
+const allPosts = await getCollection("blog");
-  import.meta.glob("./posts/*.md", { eager: true }),
-);
 ---
 
 <BaseLayout pageTitle={pageTitle}>
@@ -16,7 +15,7 @@ const allPosts = Object.values(
   <ul>
     {
       allPosts.map((post: any) => (
-        <BLogPost url={post.url} title={post.frontmatter.title} />
+      <BLogPost url=`blog/${post.id}/` title={post.data.title} />
       ))
     }
   </ul>

src/pages/blog/[...slug].astro

@@ -0,0 +1,19 @@
+---
+import { getCollection, render } from "astro:content";
+import BlogPostLayout from "../../layouts/BlogPostLayout.astro";
+
+export async function getStaticPaths() {
+  const posts = await getCollection("blog");
+  return posts.map((post) => ({
+    params: { slug: post.id },
+    props: { post },
+  }));
+}
+
+const { post } = Astro.props;
+const { Content } = await render(post);
+---
+
+<BlogPostLayout frontmatter={post.data}>
+  <Content />
+</BlogPostLayout>

src/pages/tags/[tag].astro

@@ -1,18 +1,13 @@
 ---
+import { getCollection } from "astro:content";
 import BLogPost from "../../components/BLogPost.astro";
 import BaseLayout from "../../layouts/BaseLayout.astro";
 
 export async function getStaticPaths() {
-  const posts = Object.values(
+  const posts = await getCollection("blog");
-    import.meta.glob("../posts/*.md", { eager: true }),
+  const tags = [...new Set(posts.flatMap((post) => post.data.tags))];
-  );
+  return tags.map((tag) => {
-  const tags = [
+    const filteredPosts = posts.filter((post) => post.data.tags?.includes(tag));
-    ...new Set(posts.flatMap((post: any) => post.frontmatter.tags)),
-  ];
-  return tags.map((tag: any) => {
-    const filteredPosts = posts.filter((post: any) =>
-      post.frontmatter.tags?.includes(tag),
-    );
     return { params: { tag }, props: { posts: filteredPosts } };
   });
 }
@@ -25,8 +20,8 @@ const { posts } = Astro.props;
   <p>Posts tagged with {tag}</p>
   <ul>
     {
-      posts.map((post: any) => (
+      posts.map((post) => (
-        <BLogPost url={post.url} title={post.frontmatter.title} />
+      <BLogPost url=`/blog/${post.id}` title={post.data.title} />
       ))
     }
   </ul>

src/pages/tags/index.astro

@@ -1,13 +1,9 @@
 ---
+import { getCollection } from "astro:content";
 import BaseLayout from "../../layouts/BaseLayout.astro";
 
-const tags = [
+const posts = await getCollection("blog");
-  ...new Set(
+const tags = [...new Set(posts.flatMap((post) => post.data.tags))];
-    Object.values(import.meta.glob("../posts/*.md", { eager: true })).flatMap(
-      (post: any) => post.frontmatter.tags,
-    ),
-  ),
-];
 ---
 
 <BaseLayout pageTitle="Tags">