#49 ちょろちょろ

frontend/package-lock.json

@@ -20,6 +20,7 @@
         "markdown-it": "^14.1.0",
         "react": "^19.1.0",
         "react-dom": "^19.1.0",
+        "react-helmet": "^6.1.0",
         "react-markdown": "^10.1.0",
         "react-markdown-editor-lite": "^1.3.4",
         "react-router-dom": "^6.30.0",
@@ -3974,7 +3975,6 @@
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
       "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==",
-      "dev": true,
       "license": "MIT"
     },
     "node_modules/js-yaml": {
@@ -4120,6 +4120,18 @@
         "url": "https://github.com/sponsors/wooorm"
       }
     },
+    "node_modules/loose-envify": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.4.0.tgz",
+      "integrity": "sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==",
+      "license": "MIT",
+      "dependencies": {
+        "js-tokens": "^3.0.0 || ^4.0.0"
+      },
+      "bin": {
+        "loose-envify": "cli.js"
+      }
+    },
     "node_modules/lru-cache": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-5.1.1.tgz",
@@ -4909,7 +4921,6 @@
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
       "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==",
-      "dev": true,
       "license": "MIT",
       "engines": {
         "node": ">=0.10.0"
@@ -5284,6 +5295,17 @@
         "node": ">= 0.8.0"
       }
     },
+    "node_modules/prop-types": {
+      "version": "15.8.1",
+      "resolved": "https://registry.npmjs.org/prop-types/-/prop-types-15.8.1.tgz",
+      "integrity": "sha512-oj87CgZICdulUohogVAR7AjlC0327U4el4L6eAvOqCeudMDVU0NThNaV+b9Df4dXgSP1gXMTnPdhfe/2qDH5cg==",
+      "license": "MIT",
+      "dependencies": {
+        "loose-envify": "^1.4.0",
+        "object-assign": "^4.1.1",
+        "react-is": "^16.13.1"
+      }
+    },
     "node_modules/property-information": {
       "version": "7.1.0",
       "resolved": "https://registry.npmjs.org/property-information/-/property-information-7.1.0.tgz",
@@ -5361,6 +5383,33 @@
         "react": "^19.1.0"
       }
     },
+    "node_modules/react-fast-compare": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/react-fast-compare/-/react-fast-compare-3.2.2.tgz",
+      "integrity": "sha512-nsO+KSNgo1SbJqJEYRE9ERzo7YtYbou/OqjSQKxV7jcKox7+usiUVZOAC+XnDOABXggQTno0Y1CpVnuWEc1boQ==",
+      "license": "MIT"
+    },
+    "node_modules/react-helmet": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/react-helmet/-/react-helmet-6.1.0.tgz",
+      "integrity": "sha512-4uMzEY9nlDlgxr61NL3XbKRy1hEkXmKNXhjbAIOVw5vcFrsdYbH2FEwcNyWvWinl103nXgzYNlns9ca+8kFiWw==",
+      "license": "MIT",
+      "dependencies": {
+        "object-assign": "^4.1.1",
+        "prop-types": "^15.7.2",
+        "react-fast-compare": "^3.1.1",
+        "react-side-effect": "^2.1.0"
+      },
+      "peerDependencies": {
+        "react": ">=16.3.0"
+      }
+    },
+    "node_modules/react-is": {
+      "version": "16.13.1",
+      "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz",
+      "integrity": "sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==",
+      "license": "MIT"
+    },
     "node_modules/react-markdown": {
       "version": "10.1.0",
       "resolved": "https://registry.npmjs.org/react-markdown/-/react-markdown-10.1.0.tgz",
@@ -5492,6 +5541,15 @@
         "react-dom": ">=16.8"
       }
     },
+    "node_modules/react-side-effect": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/react-side-effect/-/react-side-effect-2.1.2.tgz",
+      "integrity": "sha512-PVjOcvVOyIILrYoyGEpDN3vmYNLdy1CajSFNt4TDsVQC5KpTijDvWVoR+/7Rz2xT978D8/ZtFceXxzsPwZEDvw==",
+      "license": "MIT",
+      "peerDependencies": {
+        "react": "^16.3.0 || ^17.0.0 || ^18.0.0"
+      }
+    },
     "node_modules/react-style-singleton": {
       "version": "2.2.3",
       "resolved": "https://registry.npmjs.org/react-style-singleton/-/react-style-singleton-2.2.3.tgz",

frontend/package.json

@@ -21,6 +21,7 @@
     "markdown-it": "^14.1.0",
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
+    "react-helmet": "^6.1.0",
     "react-markdown": "^10.1.0",
     "react-markdown-editor-lite": "^1.3.4",
     "react-router-dom": "^6.30.0",

frontend/src/components/common/TabControl.tsx

@@ -0,0 +1,25 @@
+import React, { useEffect, useState } from 'react'
+
+type Props = { tabs:  { [key: string]: React.ReactNode }
+               init?: string }
+
+
+export default ({ tabs, init }: Props) => {
+  const [current, setCurrent] = useState<string> (init
+                                                  ?? Object.keys (tabs)?.[0]
+                                                  ?? '')
+
+  return (
+      <div className="mt-4">
+        {Object.entries (tabs).map (([name, element]) => (
+            <a href="#"
+               className="text-blue-400 hover:underline cursor-pointer"
+               onClick={(event) => {
+                 event.preventDefault ()
+                 setCurrent (name)
+               }}>
+              {name}
+            </a>))}
+        {current && tabs[current]}
+      </div>)
+}

frontend/src/pages/PostDetailPage.tsx

@@ -1,4 +1,5 @@
 import React, { useEffect, useState } from 'react'
+import { Helmet } from 'react-helmet'
 import { Link, useLocation, useParams } from 'react-router-dom'
 import axios from 'axios'
 import { API_BASE_URL, SITE_TITLE } from '@/config'
@@ -9,6 +10,7 @@ import { cn } from '@/lib/utils'
 import MainArea from '@/components/layout/MainArea'
 import TagDetailSidebar from '@/components/TagDetailSidebar'
 import PostEditForm from '@/components/PostEditForm'
+import TabControl from '@/components/common/TabControl'
 
 import type { Post, Tag, User } from '@/types'
 
@@ -69,20 +71,13 @@ export default ({ user }: Props) => {
       setEditing (true)
   }, [editing])
 
-  if (!(post))
-    return (
-        <>
-          <TagDetailSidebar post={null} />
-          <MainArea>Loading...</MainArea>
-        </>)
-
-  if (post)
-    document.title = `${ post.title || post.url } | ${ SITE_TITLE }`
-
   const url = post ? new URL (post.url) : undefined
 
   return (
       <>
+        <Helmet>
+          {post && <title>{`${ post.title || post.url } | ${ SITE_TITLE }`}</title>}
+        </Helmet>
         <TagDetailSidebar post={post} />
         <MainArea>
           {post
@@ -107,16 +102,13 @@ export default ({ user }: Props) => {
                   {post.viewed ? '閲覧済' : '未閲覧'}
                 </Button>
                 {(['admin', 'member'].includes (user.role) && editing) &&
-                    <div className="mt-4">
-                      <span className="text-blue-400 hover:underline cursor-pointer">
-                        編輯
-                      </span>
-                      <PostEditForm post={post}
-                                    onSave={newPost => {
-                                      setPost (newPost)
-                                      toast ({ description: '更新しました．' })
-                                    }} />
-                    </div>}
+                    <TabControl tabs={{
+                        ['編輯']: (
+                            <PostEditForm post={post}
+                                          onSave={newPost => {
+                                            setPost (newPost)
+                                            toast ({ description: '更新しました．' })
+                                          }} />) }} />}
               </div>)
            : 'Loading...'}
         </MainArea>

frontend/src/pages/PostNewPage.tsx

@@ -1,4 +1,5 @@
 import React, { useEffect, useState, useRef } from 'react'
+import { Helmet } from 'react-helmet'
 import { Link, useLocation, useParams, useNavigate } from 'react-router-dom'
 import axios from 'axios'
 import { API_BASE_URL, SITE_TITLE } from '@/config'
@@ -48,8 +49,6 @@ export default () => {
                                 description:  '入力を確認してください。' })))
   }
 
-  document.title = `広場に投稿を追加 | ${ SITE_TITLE }`
-
   useEffect (() => {
     void (axios.get ('/api/tags')
           .then (res => setTags (res.data))
@@ -113,6 +112,9 @@ export default () => {
 
   return (
       <MainArea>
+        <Helmet>
+          <title>{`広場に投稿を追加 | ${ SITE_TITLE }`}</title>
+        </Helmet>
         <div className="max-w-xl mx-auto p-4 space-y-4">
           <h1 className="text-2xl font-bold mb-2">広場に投稿を追加する</h1>
 

frontend/src/pages/PostPage.tsx

@@ -1,4 +1,5 @@
 import React, { useEffect, useState } from 'react'
+import { Helmet } from 'react-helmet'
 import { Link, useLocation } from 'react-router-dom'
 import axios from 'axios'
 import { API_BASE_URL, SITE_TITLE } from '@/config'
@@ -17,10 +18,6 @@ export default () => {
   // const anyFlg = query.get ('match') === 'any'
   const anyFlg = false
   const tags = tagsQuery.split (' ').filter (e => e !== '')
-  if (tags.length)
-    document.title = `${ tags.join (anyFlg ? ' or ' : ' and ') } | ${ SITE_TITLE }`
-  else
-    document.title = `${ SITE_TITLE }　〜 ぼざクリも、ぼざろ外も、外伝もあるんだよ`
 
   useEffect(() => {
     const fetchPosts = async () => {
@@ -42,6 +39,13 @@ export default () => {
 
   return (
       <>
+        <Helmet>
+          <title>
+            {tags.length
+             ? `${ tags.join (anyFlg ? ' or ' : ' and ') } | ${ SITE_TITLE }`
+             : `${ SITE_TITLE }　〜 ぼざクリも、ぼざろ外も、外伝もあるんだよ`}
+          </title>
+        </Helmet>
         <TagSidebar posts={posts} />
         <MainArea>
           <div className="flex flex-wrap gap-4 p-4">

frontend/src/pages/WikiDetailPage.tsx

@@ -1,8 +1,9 @@
 import { useEffect, useState } from 'react'
+import { Helmet } from 'react-helmet'
 import { Link, useLocation, useParams, useNavigate } from 'react-router-dom'
 import ReactMarkdown from 'react-markdown'
 import axios from 'axios'
-import { API_BASE_URL } from '@/config'
+import { API_BASE_URL, SITE_TITLE } from '@/config'
 import MainArea from '@/components/layout/MainArea'
 import { WikiIdBus } from '@/lib/eventBus/WikiIdBus'
 
@@ -38,6 +39,9 @@ export default () => {
 
   return (
       <MainArea>
+        <Helmet>
+          <title>{`${ title } Wiki | ${ SITE_TITLE }`}</title>
+        </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">
               {wikiPage.pred ? (

frontend/src/pages/WikiDiffPage.tsx

@@ -1,8 +1,9 @@
 import { useEffect, useState } from 'react'
+import { Helmet } from 'react-helmet'
 import { Link, useLocation, useParams } from 'react-router-dom'
 import axios from 'axios'
 import MainArea from '@/components/layout/MainArea'
-import { API_BASE_URL } from '@/config'
+import { API_BASE_URL, SITE_TITLE } from '@/config'
 
 import type { WikiPageDiff } from '@/types'
 
@@ -25,6 +26,9 @@ export default () => {
 
   return (
       <MainArea>
+        <Helmet>
+          <title>{`Wiki 差分: ${ diff?.title } | ${ SITE_TITLE }`}</title>
+        </Helmet>
         <h1>{diff?.title}</h1>
         <div className="prose mx-auto p-4">
           {diff ? (

frontend/src/pages/WikiEditPage.tsx

@@ -1,4 +1,5 @@
 import React, { useEffect, useState, useRef } from 'react'
+import { Helmet } from 'react-helmet'
 import { Link, useLocation, useParams, useNavigate } from 'react-router-dom'
 import axios from 'axios'
 import { API_BASE_URL, SITE_TITLE } from '@/config'
@@ -47,12 +48,13 @@ export default () => {
             setTitle (res.data.title)
             setBody (res.data.body)
           }))
-
-    document.title = `Wiki ページを編輯 | ${ SITE_TITLE }`
   }, [id])
 
   return (
       <MainArea>
+        <Helmet>
+          <title>{`Wiki ページを編輯 | ${ SITE_TITLE }`}</title>
+        </Helmet>
         <div className="max-w-xl mx-auto p-4 space-y-4">
           <h1 className="text-2xl font-bold mb-2">Wiki ページを編輯</h1>
 

frontend/src/pages/WikiHistoryPage.tsx

@@ -1,8 +1,9 @@
 import { useEffect, useState } from 'react'
+import { Helmet } from 'react-helmet'
 import { Link, useLocation, useParams } from 'react-router-dom'
 import MainArea from '@/components/layout/MainArea'
 import axios from 'axios'
-import { API_BASE_URL } from '@/config'
+import { API_BASE_URL, SITE_TITLE } from '@/config'
 
 import type { WikiPageChange } from '@/types'
 
@@ -21,6 +22,9 @@ export default () => {
 
   return (
       <MainArea>
+        <Helmet>
+          <title>{`Wiki 変更履歴 | ${ SITE_TITLE }`}</title>
+        </Helmet>
         <table className="table-auto w-full border-collapse">
           <thead>
             <tr>

frontend/src/pages/WikiNewPage.tsx

@@ -1,4 +1,5 @@
 import React, { useEffect, useState, useRef } from 'react'
+import { Helmet } from 'react-helmet'
 import { Link, useLocation, useParams, useNavigate } from 'react-router-dom'
 import axios from 'axios'
 import { API_BASE_URL, SITE_TITLE } from '@/config'
@@ -42,12 +43,11 @@ export default () => {
                                 description:  '入力を確認してください。' })))
   }
 
-  useEffect (() => {
-    document.title = `新規 Wiki ページ | ${ SITE_TITLE }`
-  }, [])
-
   return (
       <MainArea>
+        <Helmet>
+          <title>{`新規 Wiki ページ | ${ SITE_TITLE }`}</title>
+        </Helmet>
         <div className="max-w-xl mx-auto p-4 space-y-4">
           <h1 className="text-2xl font-bold mb-2">新規 Wiki ページ</h1>
 

frontend/src/pages/WikiPage.tsx

@@ -1,8 +1,9 @@
 import React, { useEffect, useState } from 'react'
+import { Helmet } from 'react-helmet'
 import { Link } from 'react-router-dom'
 import axios from 'axios'
 import MainArea from '@/components/layout/MainArea'
-import { API_BASE_URL } from '@/config'
+import { API_BASE_URL, SITE_TITLE } from '@/config'
 
 import type { Category, WikiPage } from '@/types'
 
@@ -29,6 +30,9 @@ export default () => {
 
   return (
       <MainArea>
+        <Helmet>
+          <title>{`Wiki | ${ SITE_TITLE }`}</title>
+        </Helmet>
         <div className="max-w-xl">
           <h2 className="text-xl mb-4">Wiki</h2>
           <form onSubmit={handleSearch} className="space-y-2">