initial commit

pages/blog/[...slug].tsx

@@ -0,0 +1,94 @@
+import fs from 'fs'
+import PageTitle from '@/components/PageTitle'
+import generateRss from '@/lib/generate-rss'
+import { MDXLayoutRenderer } from '@/components/MDXComponents'
+import { formatSlug, getAllFilesFrontMatter, getFileBySlug, getFiles } from '@/lib/mdx'
+import { GetStaticProps, InferGetStaticPropsType } from 'next'
+import { AuthorFrontMatter } from 'types/AuthorFrontMatter'
+import { PostFrontMatter } from 'types/PostFrontMatter'
+import { Toc } from 'types/Toc'
+
+const DEFAULT_LAYOUT = 'PostLayout'
+
+export async function getStaticPaths() {
+  const posts = getFiles('blog')
+  return {
+    paths: posts.map((p) => ({
+      params: {
+        slug: formatSlug(p).split('/'),
+      },
+    })),
+    fallback: false,
+  }
+}
+
+// @ts-ignore
+export const getStaticProps: GetStaticProps<{
+  post: { mdxSource: string; toc: Toc; frontMatter: PostFrontMatter }
+  authorDetails: AuthorFrontMatter[]
+  prev?: { slug: string; title: string }
+  next?: { slug: string; title: string }
+}> = async ({ params }) => {
+  const slug = (params.slug as string[]).join('/')
+  const allPosts = await getAllFilesFrontMatter('blog')
+  const postIndex = allPosts.findIndex((post) => formatSlug(post.slug) === slug)
+  const prev: { slug: string; title: string } = allPosts[postIndex + 1] || null
+  const next: { slug: string; title: string } = allPosts[postIndex - 1] || null
+  const post = await getFileBySlug<PostFrontMatter>('blog', slug)
+  // @ts-ignore
+  const authorList = post.frontMatter.authors || ['default']
+  const authorPromise = authorList.map(async (author) => {
+    const authorResults = await getFileBySlug<AuthorFrontMatter>('authors', [author])
+    return authorResults.frontMatter
+  })
+  const authorDetails = await Promise.all(authorPromise)
+
+  // rss
+  if (allPosts.length > 0) {
+    const rss = generateRss(allPosts)
+    fs.writeFileSync('./public/feed.xml', rss)
+  }
+
+  return {
+    props: {
+      post,
+      authorDetails,
+      prev,
+      next,
+    },
+  }
+}
+
+export default function Blog({
+  post,
+  authorDetails,
+  prev,
+  next,
+}: InferGetStaticPropsType<typeof getStaticProps>) {
+  const { mdxSource, toc, frontMatter } = post
+
+  return (
+    <>
+      {'draft' in frontMatter && frontMatter.draft !== true ? (
+        <MDXLayoutRenderer
+          layout={frontMatter.layout || DEFAULT_LAYOUT}
+          toc={toc}
+          mdxSource={mdxSource}
+          frontMatter={frontMatter}
+          authorDetails={authorDetails}
+          prev={prev}
+          next={next}
+        />
+      ) : (
+        <div className="mt-24 text-center">
+          <PageTitle>
+            Under Construction{' '}
+            <span role="img" aria-label="roadwork sign">
+              🚧
+            </span>
+          </PageTitle>
+        </div>
+      )}
+    </>
+  )
+}