細部

frontend/src/components/WikiBody.tsx

@@ -1,13 +1,14 @@
 import ReactMarkdown from 'react-markdown'
 import { Link } from 'react-router-dom'
 
-type Props = { body: string }
+type Props = { title: string
+	       body?: string }
 
 
-export default ({ body }: Props) => (
+export default ({ title, body }: Props) => (
     <ReactMarkdown components={{ a: (
-        ({ href, children }) => (['/', '.'].some (e => href?.startsWith (e))
-                                 ? <Link to={href!}>{children}</Link>
-                                 : <a href={href} target="_blank" rel="noopener noreferrer">{children}</a>)) }}>
-      {body}
+	({ href, children }) => (['/', '.'].some (e => href?.startsWith (e))
+				 ? <Link to={href!}>{children}</Link>
+				 : <a href={href} target="_blank" rel="noopener noreferrer">{children}</a>)) }}>
+      {body || `このページは存在しません。[新規作成してください](/wiki/new?title=${ encodeURIComponent (title) })。`}
     </ReactMarkdown>)