frontend/src/components/TopNav.tsx

@@ -120,7 +120,7 @@ export default (({ user }: Props) => {
     const fetchPostCount = async () => {
       try
       {
-	const wikiPage = await fetchWikiPage (String (wikiId ?? ''))
+	const wikiPage = await fetchWikiPage (String (wikiId ?? ''), { })
 	const tag = await fetchTagByName (wikiPage.title)
 
 	setPostCount (tag.postCount)

frontend/src/lib/posts.ts

@@ -1,6 +1,6 @@
 import { apiDelete, apiGet, apiPost } from '@/lib/api'
 
-import type { Post } from '@/types'
+import type { Post, PostTagChange } from '@/types'
 
 
 export const fetchPosts = async (
@@ -13,8 +13,8 @@ export const fetchPosts = async (
 ): Promise<{
     posts:      Post[]
     count:      number
-    nextCursor: string }> => await apiGet ('/posts', {
+    nextCursor: string }> =>
-	params: {
+	await apiGet ('/posts', { params: {
 	    tags,
 	    match,
 	    ...(page && { page }),
@@ -25,6 +25,17 @@ export const fetchPosts = async (
 export const fetchPost = async (id: string): Promise<Post> => await apiGet (`/posts/${ id }`)
 
 
+export const fetchPostChanges = async (
+    { id, page, limit }: {
+	id?:    string
+	page:   number
+	limit:  number },
+): Promise<{
+    changes:  PostTagChange[]
+    count:    number }> =>
+	await apiGet ('/posts/changes', { params: { ...(id && { id }), page, limit } })
+
+
 export const toggleViewedFlg = async (id: string, viewed: boolean): Promise<void> => {
   await (viewed ? apiPost : apiDelete) (`/posts/${ id }/viewed`)
 }

frontend/src/lib/prefetchers.ts

@@ -1,14 +1,23 @@
 import { QueryClient } from '@tanstack/react-query'
 import { match } from 'path-to-regexp'
 
-import { fetchPost, fetchPosts } from '@/lib/posts'
+import { fetchPost, fetchPosts, fetchPostChanges } from '@/lib/posts'
-import { postsKeys } from '@/lib/queryKeys'
+import { postsKeys, wikiKeys } from '@/lib/queryKeys'
+import { fetchWikiPages } from '@/lib/wiki'
 
 type Prefetcher = (qc: QueryClient, url: URL) => Promise<void>
 
 const mPost = match<{ id: string }> ('/posts/:id')
 
 
+const prefetchWikiPagesIndex: Prefetcher = async (qc, url) => {
+  const title = url.searchParams.get ('title') ?? ''
+  await qc.prefetchQuery ({
+      queryKey: wikiKeys.index ({ title }),
+      queryFn:  () => fetchWikiPages ({ title }) })
+}
+
+
 const prefetchPostsIndex: Prefetcher = async (qc, url) => {
   const tags = url.searchParams.get ('tags') ?? ''
   const m = url.searchParams.get ('match') === 'any' ? 'any' : 'all'
@@ -32,11 +41,23 @@ const prefetchPostShow: Prefetcher = async (qc, url) => {
 }
 
 
-export const routePrefetchers: {
+const prefetchPostChanges: Prefetcher = async (qc, url) => {
-    test: (u: URL) => boolean
+  const id = url.searchParams.get ('id')
-    run:  Prefetcher }[] = [
+  const page = Number (url.searchParams.get ('page') || 1)
+  const limit = Number (url.searchParams.get ('limit') || 20)
+  await qc.prefetchQuery ({
+      queryKey: postsKeys.changes ({ ...(id && { id }), page, limit }),
+      queryFn:  () => fetchPostChanges ({ ...(id && { id }), page, limit }) })
+}
+
+
+export const routePrefetchers: { test: (u: URL) => boolean; run:  Prefetcher }[] = [
     { test: u => u.pathname === '/' || u.pathname === '/posts', run: prefetchPostsIndex },
-    { test: u => Boolean (mPost (u.pathname)), run: prefetchPostShow }]
+    { test: u => (['/posts/new', '/posts/changes'].includes(u.pathname)
+		  && Boolean (mPost (u.pathname))),
+      run: prefetchPostShow },
+    { test: u => u.pathname === '/posts/changes', run: prefetchPostChanges },
+    { test: u => u.pathname === '/wiki', run: prefetchWikiPagesIndex }]
 
 
 export const prefetchForURL = async (qc: QueryClient, urlLike: string): Promise<void> => {

frontend/src/lib/queryKeys.ts

@@ -3,8 +3,11 @@ export const postsKeys = {
     index:    (p: { tags: string; match: 'any' | 'all'; page: number; limit: number }) =>
 		  ['posts', 'index', p] as const,
     show:     (id: string) => ['posts', id] as const,
-    related:  (id: string) => ['related', id] as const }
+    related:  (id: string) => ['related', id] as const,
+    changes:  (p: { id?: string; page: number; limit: number }) =>
+		  ['posts', 'changes', p] as const }
 
 export const wikiKeys = {
-    root: ['wiki'] as const,
+    root:   ['wiki'] as const,
-    show: (title: string, p: { version: string }) => ['wiki', title, p] as const }
+    index:  (p: { title: string }) => ['wiki', 'index', p] as const,
+    show:   (title: string, p: { version: string }) => ['wiki', title, p] as const }

frontend/src/lib/wiki.ts

@@ -3,12 +3,20 @@ import { apiGet } from '@/lib/api'
 import type { WikiPage } from '@/types'
 
 
-export const fetchWikiPage = async (id: string): Promise<WikiPage> =>
+export const fetchWikiPages = async ({ title }: { title: string }) =>
-    await apiGet (`/wiki/${ id }`)
+    await apiGet ('/wiki', { params: { title } })
+
+
+export const fetchWikiPage = async (
+    id:           string,
+    { version }:  { version?: string },
+): Promise<WikiPage> =>
+    await apiGet (`/wiki/${ id }`, { params: version ? { version } : { } })
 
 
 export const fetchWikiPageByTitle = async (
     title:        string,
     { version }:  { version?: string },
 ): Promise<WikiPage> =>
-    await apiGet (`/wiki/title/${ title }`, { params: version ? { version } : { } })
+    await apiGet (`/wiki/title/${ title }`,
+		  { params: version ? { version } : { } })

frontend/src/pages/posts/PostHistoryPage.tsx

@@ -1,6 +1,4 @@
-import axios from 'axios'
+import { useQuery } from '@tanstack/react-query'
-import toCamel from 'camelcase-keys'
-import { useEffect, useState } from 'react'
 import { Helmet } from 'react-helmet-async'
 import { useLocation } from 'react-router-dom'
 
@@ -9,17 +7,14 @@ import PrefetchLink from '@/components/PrefetchLink'
 import PageTitle from '@/components/common/PageTitle'
 import Pagination from '@/components/common/Pagination'
 import MainArea from '@/components/layout/MainArea'
-import { API_BASE_URL, SITE_TITLE } from '@/config'
+import { SITE_TITLE } from '@/config'
+import { fetchPostChanges } from '@/lib/posts'
+import { postsKeys } from '@/lib/queryKeys'
 
 import type { FC } from 'react'
 
-import type { PostTagChange } from '@/types'
-
 
 export default (() => {
-  const [changes, setChanges] = useState<PostTagChange[]> ([])
-  const [totalPages, setTotalPages] = useState<number> (0)
-
   const location = useLocation ()
   const query = new URLSearchParams (location.search)
   const id = query.get ('id')
@@ -29,17 +24,11 @@ export default (() => {
   // 投稿列の結合で使用
   let rowsCnt: number
 
-  useEffect (() => {
+  const { data, isLoading: loading } = useQuery ({
-    void (async () => {
+      queryKey: postsKeys.changes ({ ...(id && { id }), page, limit }),
-      const res = await axios.get (`${ API_BASE_URL }/posts/changes`,
+      queryFn:  () => fetchPostChanges ({ ...(id && { id }), page, limit }) })
-				   { params: { ...(id && { id }), page, limit } })
+  const changes = data?.changes ?? []
-      const data = toCamel (res.data as any, { deep: true }) as {
+  const totalPages = data ? Math.ceil (data.count / limit) : 0
-	  changes:  PostTagChange[]
-	  count:    number }
-      setChanges (data.changes)
-      setTotalPages (Math.ceil (data.count / limit))
-    }) ()
-  }, [id, page, limit])
 
   return (
       <MainArea>
@@ -52,54 +41,57 @@ export default (() => {
 	  {id && <>: 投稿 {<PrefetchLink to={`/posts/${ id }`}>#{id}</PrefetchLink>}</>}
 	</PageTitle>
 
-	<table className="table-auto w-full border-collapse">
+	{loading ? 'Loading...' : (
-	  <thead>
+	    <>
-	    <tr>
+	      <table className="table-auto w-full border-collapse">
-	      <th className="p-2 text-left">投稿</th>
+		<thead>
-	      <th className="p-2 text-left">変更</th>
+		  <tr>
-	      <th className="p-2 text-left">日時</th>
+		    <th className="p-2 text-left">投稿</th>
-	    </tr>
+		    <th className="p-2 text-left">変更</th>
-	  </thead>
+		    <th className="p-2 text-left">日時</th>
-	  <tbody>
+		  </tr>
-	    {changes.map ((change, i) => {
+		</thead>
-	      let withPost = i === 0 || change.post.id !== changes[i - 1].post.id
+		<tbody>
-	      if (withPost)
+		  {changes.map ((change, i) => {
-		{
+		    let withPost = i === 0 || change.post.id !== changes[i - 1].post.id
-		  rowsCnt = 1
+		    if (withPost)
-		  for (let j = i + 1;
+		      {
-		       (j < changes.length
+			rowsCnt = 1
-			&& change.post.id === changes[j].post.id);
+			for (let j = i + 1;
-		       ++j)
+			     (j < changes.length
-		    ++rowsCnt
+			      && change.post.id === changes[j].post.id);
-		}
+			     ++j)
-	      return (
+			  ++rowsCnt
-		  <tr key={`${ change.timestamp }-${ change.post.id }-${ change.tag.id }`}>
+		      }
-		    {withPost && (
+		    return (
-			<td className="align-top" rowSpan={rowsCnt}>
+			<tr key={`${ change.timestamp }-${ change.post.id }-${ change.tag.id }`}>
-			  <PrefetchLink to={`/posts/${ change.post.id }`}>
+			  {withPost && (
-			    <img src={change.post.thumbnail || change.post.thumbnailBase || undefined}
+			      <td className="align-top" rowSpan={rowsCnt}>
-				 alt={change.post.title || change.post.url}
+				<PrefetchLink to={`/posts/${ change.post.id }`}>
-				 title={change.post.title || change.post.url || undefined}
+				  <img src={change.post.thumbnail || change.post.thumbnailBase || undefined}
-				 className="w-40"/>
+				       alt={change.post.title || change.post.url}
-			  </PrefetchLink>
+				       title={change.post.title || change.post.url || undefined}
-			</td>)}
+				       className="w-40"/>
-		    <td>
+				</PrefetchLink>
-		      <TagLink tag={change.tag} withWiki={false} withCount={false}/>
+			      </td>)}
-		      {`を${ change.changeType === 'add' ? '追加' : '削除' }`}
+			  <td>
-		    </td>
+			    <TagLink tag={change.tag} withWiki={false} withCount={false}/>
-		    <td>
+			    {`を${ change.changeType === 'add' ? '記載' : '消除' }`}
-		      {change.user ? (
+			  </td>
-			  <PrefetchLink to={`/users/${ change.user.id }`}>
+			  <td>
-			    {change.user.name}
+			    {change.user ? (
-			  </PrefetchLink>) : 'bot 操作'}
+				<PrefetchLink to={`/users/${ change.user.id }`}>
-		      <br/>
+				  {change.user.name}
-		      {change.timestamp}
+				</PrefetchLink>) : 'bot 操作'}
-		    </td>
+			    <br/>
-		  </tr>)
+			    {change.timestamp}
-	    })}
+			  </td>
-	  </tbody>
+			</tr>)
-	</table>
+		  })}
+		</tbody>
+	      </table>
 
-	<Pagination page={page} totalPages={totalPages}/>
+	      <Pagination page={page} totalPages={totalPages}/>
+	    </>)}
       </MainArea>)
 }) satisfies FC

frontend/src/pages/wiki/WikiDetailPage.tsx

@@ -41,7 +41,7 @@ export default () => {
 	  setWikiPage (undefined)
 	  try
 	  {
-	    const data = await fetchWikiPage (title)
+	    const data = await fetchWikiPage (title, { })
 	    navigate (`/wiki/${ encodeURIComponent(data.title) }`, { replace: true })
 	  }
 	  catch