AI: address issue #320

frontend/src/components/PostFormTagsArea.tsx

@@ -36,10 +36,13 @@ const replaceToken = (value: string, start: number, end: number, text: string) =
 type Props = Omit<ComponentPropsWithoutRef<'textarea'>, 'value' | 'onChange' | 'onBlur'> & {
     tags:     string
     setTags:  (tags: string) => void
+    label?:   ReactNode
     errors?:  ReactNode[] }
 
 
-const PostFormTagsArea: FC<Props> = ({ tags, setTags, errors, ...rest }) => {
+const PostFormTagsArea: FC<Props> = (
+    { tags, setTags, label: fieldLabel, errors, ...rest },
+) => {
   const { label } = useUITranslation ('navigation')
   const locale = useLocale ()
   const ref = useRef<HTMLTextAreaElement> (null)
@@ -117,7 +120,10 @@ const PostFormTagsArea: FC<Props> = ({ tags, setTags, errors, ...rest }) => {
   }, [locale])
 
   return (
-      <FormField className="relative w-full" label={label ('tags')} messages={errors}>
+      <FormField
+	  className="relative w-full"
+	  label={fieldLabel ?? label ('tags')}
+	  messages={errors}>
 	{({ describedBy, invalid }) => (
 	    <>
 	      <TextArea

frontend/src/entry-server.tsx

@@ -1,6 +1,6 @@
 import { QueryClient, QueryClientProvider, dehydrate, skipToken } from '@tanstack/react-query'
 import { PassThrough } from 'node:stream'
-import { renderToPipeableStream, renderToStaticMarkup } from 'react-dom/server'
+import { renderToPipeableStream } from 'react-dom/server'
 import { HelmetProvider } from 'react-helmet-async'
 import { I18nextProvider } from 'react-i18next'
 import { createStaticHandler, createStaticRouter,
@@ -9,7 +9,7 @@ import { createStaticHandler, createStaticRouter,
 import { AppFrame, appRoutes, resolvePageRoute } from '@/App'
 import { apiGet, isApiError } from '@/lib/api'
 import { createUII18n } from '@/lib/i18n'
-import { fetchLocales, isLocaleCode, legacyLocalePath, switchLocalePath } from '@/lib/locales'
+import { fetchLocales, isLocaleCode, legacyLocalePath } from '@/lib/locales'
 import { localesKeys, sessionKeys } from '@/lib/queryKeys'
 import { withRenderContext } from '@/lib/renderContext.server'
 
@@ -171,26 +171,8 @@ export const render = async (
 	}))
       }
       const helmet = helmetContext.helmet!
-      const alternates = status === 200 && known != null
-	  ? await Promise.all (locales.locales.map (entry => entry.code)
-	      .filter (isLocaleCode)
-	      .filter (code => known.route.handle?.locale == null
-		  || known.route.handle.locale === code)
-	      .map (async targetLocale => {
-		const location = { pathname: url.pathname, search: url.search, hash: '' }
-		const path = targetLocale === locale
-		    ? url.pathname + url.search
-		    : (known.route.handle?.switchLocale != null
-		       ? await known.route.handle.switchLocale ({
-			   location, params: known.params, locale, targetLocale })
-		       : switchLocalePath (location, targetLocale))
-		return <link key={targetLocale} rel="alternate" hrefLang={targetLocale}
-		    href={new URL (path, origin).href}/>
-	      }))
-	  : []
       const head = [helmet.title, helmet.meta, helmet.link, helmet.style]
 	  .map (entry => entry.toString ()).join ('')
-	  + renderToStaticMarkup (<>{alternates}</>)
       const dehydrated = dehydrate (client, { shouldDehydrateQuery: query =>
 	  query.state.status !== 'pending'
 	  && query.meta?.clientOnly !== true

frontend/src/pages/tags/NicoTagListPage.tsx

@@ -6,11 +6,10 @@ import { useLocation } from 'react-router-dom'
 import { useLocale, useLocaleNavigate } from '@/lib/useLocale'
 import TagLink from '@/components/TagLink'
 import SortHeader from '@/components/SortHeader'
-import FieldError from '@/components/common/FieldError'
+import PostFormTagsArea from '@/components/PostFormTagsArea'
 import FormField from '@/components/common/FormField'
 import PageTitle from '@/components/common/PageTitle'
 import Pagination from '@/components/common/Pagination'
-import TextArea from '@/components/common/TextArea'
 import useDialogue from '@/lib/dialogues/useDialogue'
 import MainArea from '@/components/layout/MainArea'
 import { toast } from '@/components/ui/use-toast'
@@ -357,21 +356,18 @@ const NicoTagListPage: FC<Props> = ({ user }) => {
 					       dark:bg-rose-950/30">
 				  <td colSpan={editable ? 5 : 4} className="p-3">
 				    <div className="space-y-2">
-				      <label htmlFor={`nico-links-${ tag.id }`}
+				      <PostFormTagsArea
-					     className="block text-sm font-semibold">
-					{label ('nico.tagsToLink')}
-				      </label>
-				      <TextArea
 					  id={`nico-links-${ tag.id }`}
-					  value={rawTags[tag.id] ?? ''}
+					  label={label ('nico.tagsToLink')}
-					  invalid={(errorsByTagId[tag.id] ?? []).length > 0}
+					  aria-label={message ('nico.tagsToLink').text}
+					  tags={rawTags[tag.id] ?? ''}
+					  errors={errors}
 					  className="min-h-24 resize-y"
 					  placeholder={message ('nico.tagsPlaceholder').text}
 					  lang={message ('nico.tagsPlaceholder').language}
-					  onChange={e => setRawTags (rawTags => ({
+					  setTags={value => setRawTags (rawTags => ({
 					      ...rawTags,
-					      [tag.id]: e.target.value}))}/>
+					      [tag.id]: value}))}/>
-				      <FieldError messages={errors}/>
 				      <div className="flex justify-end gap-2">
 					<button
 					    type="button"