add: SEO for articles

SEO and SchemaORg for articles

server/routes/blog/posts.json.ts

@@ -0,0 +1,39 @@
+import { BlogCollectionItem } from '@nuxt/content'
+
+
+const simpleDate = (date: Date) => {
+  date.setDate(date.getDate() + 1)
+  return `${date.getFullYear()}-${`${date.getMonth() + 1}`.padStart(2, '0')}-${date.getDate()}`
+}
+
+const author = (baseUrl: string) => ({
+  name: 'webfussel',
+  img: `${baseUrl}/img/blog/authors/webfussel@3x.webp`,
+  img1x: `${baseUrl}/img/blog/authors/webfussel@1x.webp`,
+  img2x: `${baseUrl}/img/blog/authors/webfussel@2x.webp`,
+  img3x: `${baseUrl}/img/blog/authors/webfussel@3x.webp`,
+})
+
+export default defineEventHandler(async event => {
+  const url = getRequestURL(event)
+  const baseUrl = `${url.protocol}//${url.host}`
+
+  const articles = await queryCollection(event, 'blog')
+    .where('date', '<', simpleDate(new Date()))
+    .order('date', 'DESC')
+    .all()
+
+  const entries = articles.map(article => ({
+    url: `${baseUrl}${article.path}`,
+    title: article.title,
+    excerpt: article.description,
+    date: article.date,
+    thumbnail: `${baseUrl}${article.thumbnail}`,
+    category: article.category,
+  }))
+
+  return {
+    author: author(baseUrl),
+    posts: entries,
+  }
+})