frontend/src/lib/api.ts

@@ -3,10 +3,10 @@ import toCamel from 'camelcase-keys'
 
 import { API_BASE_URL } from '@/config'
 
-import type { AxiosError } from 'axios'
+import type { AxiosError, AxiosRequestConfig } from 'axios'
 
 type Opt = {
-    params?:        Record<string, unknown>
+    params?:        AxiosRequestConfig['params']
     headers?:       Record<string, string>
     responseType?:  'blob' }
 
@@ -26,6 +26,8 @@ const apiP = async <T> (
     opt?:   Opt,
 ): Promise<T> => {
   const res = await client[method] (path, body ?? { }, withUserCode (opt))
+  if (opt?.responseType === 'blob')
+    return res.data as T
   return toCamel (res.data as any, { deep: true }) as T
 }
 
@@ -35,6 +37,8 @@ export const apiGet = async <T> (
     opt?: Opt,
 ): Promise<T> => {
   const res = await client.get (path, withUserCode (opt))
+  if (opt?.responseType === 'blob')
+    return res.data as T
   return toCamel (res.data as any, { deep: true }) as T
 }
 

frontend/src/lib/queryKeys.ts

@@ -7,6 +7,10 @@ export const postsKeys = {
     changes:  (p: { id?: string; page: number; limit: number }) =>
 		  ['posts', 'changes', p] as const }
 
+export const tagsKeys = {
+    root: ['tags'] as const,
+    show: (name: string) => ['tags', name] as const }
+
 export const wikiKeys = {
     root:   ['wiki'] as const,
     index:  (p: { title: string }) => ['wiki', 'index', p] as const,

frontend/src/pages/wiki/WikiDetailPage.tsx

@@ -1,5 +1,5 @@
 import { useQuery } from '@tanstack/react-query'
-import { useEffect, useState } from 'react'
+import { useEffect, useMemo } from 'react'
 import { Helmet } from 'react-helmet-async'
 import { useLocation, useNavigate, useParams } from 'react-router-dom'
 
@@ -13,11 +13,11 @@ import MainArea from '@/components/layout/MainArea'
 import { SITE_TITLE } from '@/config'
 import { WikiIdBus } from '@/lib/eventBus/WikiIdBus'
 import { fetchPosts } from '@/lib/posts'
-import { wikiKeys } from '@/lib/queryKeys'
+import { postsKeys, tagsKeys, wikiKeys } from '@/lib/queryKeys'
 import { fetchTagByName } from '@/lib/tags'
 import { fetchWikiPage, fetchWikiPageByTitle } from '@/lib/wiki'
 
-import type { Post, Tag } from '@/types'
+import type { Tag } from '@/types'
 
 
 export default () => {
@@ -27,10 +27,7 @@ export default () => {
   const location = useLocation ()
   const navigate = useNavigate ()
 
-  const defaultTag = { name: title, category: 'general' } as Tag
+  const defaultTag = useMemo (() => ({ name: title, category: 'general' } as Tag), [title])
-
-  const [posts, setPosts] = useState<Post[]> ([])
-  const [tag, setTag] = useState (defaultTag)
 
   const query = new URLSearchParams (location.search)
   const version = query.get ('version')
@@ -40,6 +37,19 @@ export default () => {
       queryKey: wikiKeys.show (title ?? '', version ? { version } : { }),
       queryFn:  () => fetchWikiPageByTitle (title ?? '', version ? { version } : { }) })
 
+  const effectiveTitle = wikiPage?.title ?? title
+
+  const { data: tag } = useQuery ({
+      enabled:  Boolean (effectiveTitle),
+      queryKey: tagsKeys.show (effectiveTitle),
+      queryFn:  () => fetchTagByName (effectiveTitle) })
+
+  const { data } = useQuery ({
+      enabled:  Boolean (effectiveTitle) && !(version),
+      queryKey: postsKeys.index ({ tags: effectiveTitle, match: 'all', page: 1, limit: 8 }),
+      queryFn:  () => fetchPosts ({ tags: effectiveTitle, match: 'all', page: 1, limit: 8 }) })
+  const posts = data?.posts || []
+
   useEffect (() => {
     if (!(wikiPage))
       return
@@ -53,8 +63,9 @@ export default () => {
   }, [wikiPage, title, navigate])
 
   useEffect (() => {
-    if (/^\d+$/.test (title))
+    if (!(/^\d+$/.test (title)))
-      {
+      return
+
     void (async () => {
       try
       {
@@ -66,35 +77,6 @@ export default () => {
 	;
       }
     }) ()
-
-	return
-      }
-
-    setPosts ([])
-    void (async () => {
-      try
-      {
-	const data = await fetchPosts ({ tags: title, match: 'all', limit: 8 })
-	setPosts (data.posts)
-      }
-      catch
-      {
-	;
-      }
-    }) ()
-
-    void (async () => {
-      try
-      {
-	setTag (await fetchTagByName (title))
-      }
-      catch
-      {
-	setTag (defaultTag)
-      }
-    }) ()
-
-    return () => WikiIdBus.set (null)
   }, [title, version])
 
   return (
@@ -105,7 +87,8 @@ export default () => {
 	</Helmet>
 
 	{(wikiPage && version) && (
-	    <div className="text-sm flex gap-3 items-center justify-center border border-gray-700 rounded px-2 py-1 mb-4">
+	    <div className="text-sm flex gap-3 items-center justify-center
+			    border border-gray-700 rounded px-2 py-1 mb-4">
 	      {wikiPage.pred ? (
 		  <PrefetchLink to={`/wiki/${ encodeURIComponent (title) }?version=${ wikiPage.pred }`}>
 		    &lt; 古
@@ -120,7 +103,7 @@ export default () => {
 	    </div>)}
 
 	<PageTitle>
-	  <TagLink tag={tag}
+	  <TagLink tag={tag ?? defaultTag}
 		   withWiki={false}
 		   withCount={false}
 		   {...(version && { to: `/wiki/${ encodeURIComponent (title) }` })}/>