initiation librodrome

server/api/admin/chapters/[slug].get.ts

@@ -0,0 +1,30 @@
+import { readFile } from 'node:fs/promises'
+import { join } from 'node:path'
+
+export default defineEventHandler(async (event) => {
+  const slug = getRouterParam(event, 'slug')
+
+  if (!slug || !/^[a-z0-9-]+$/.test(slug)) {
+    throw createError({ statusCode: 400, statusMessage: 'Invalid slug' })
+  }
+
+  const filePath = join(process.cwd(), 'content', 'book', `${slug}.md`)
+
+  try {
+    const raw = await readFile(filePath, 'utf-8')
+    const fmMatch = raw.match(/^---\n([\s\S]*?)\n---\n?/)
+
+    let frontmatter = ''
+    let body = raw
+
+    if (fmMatch) {
+      frontmatter = fmMatch[1]
+      body = raw.slice(fmMatch[0].length)
+    }
+
+    return { slug, frontmatter, body }
+  }
+  catch {
+    throw createError({ statusCode: 404, statusMessage: `Chapter "${slug}" not found` })
+  }
+})