AI: address issue #401

frontend/server.ssr.test.mjs

@@ -2,7 +2,6 @@ import assert from 'node:assert/strict'
 import { createServer } from 'node:http'
 import { spawn } from 'node:child_process'
 import { after, before, test } from 'node:test'
-import { JSDOM } from 'jsdom'
 import { createServer as createViteServer } from 'vite'
 
 import { render } from './dist/server/entry-server.js'
@@ -403,26 +402,6 @@ test ('every canonical screen route returns page HTML without JavaScript', async
   }
 })
 
-test ('SSR HTML head includes reciprocal hreflang links with query parameters', async () => {
-  for (const locale of ['ja', 'ain-Kana']) {
-    const response = await fetch (`${httpOrigin}/${locale}/posts?page=2&limit=50`)
-    assert.equal (response.status, 200)
-    const dom = new JSDOM (await response.text ())
-    try
-    {
-      const links = [...dom.window.document.head.querySelectorAll ('link[rel="alternate"]')]
-      assert.deepEqual (links.map (link => ({
-        locale: link.getAttribute ('hreflang'), href: link.getAttribute ('href') })), [
-        { locale: 'ja', href: `${origin}/ja/posts?page=2&limit=50` },
-        { locale: 'ain-Kana', href: `${origin}/ain-Kana/posts?page=2&limit=50` }])
-    }
-    finally
-    {
-      dom.window.close ()
-    }
-  }
-})
-
 test ('YouTube posts return HTTP 200 with the embed rendered by SSR', async t => {
   for (const locale of ['ja', 'ain-Kana']) {
     await t.test (locale, async () => {

frontend/src/components/PostEditForm.tsx

@@ -3,6 +3,7 @@ import { useEffect, useMemo, useState } from 'react'
 import { useLocale } from '@/lib/useLocale'
 import PostOriginalCreatedTimeField from '@/components/PostOriginalCreatedTimeField'
 import FieldError from '@/components/common/FieldError'
+import FieldWarning from '@/components/common/FieldWarning'
 import PostDurationField from '@/components/posts/PostDurationField'
 import PostTagsField from '@/components/posts/PostTagsField'
 import PostTextField from '@/components/posts/PostTextField'
@@ -172,6 +173,9 @@ const PostEditForm: FC<Props> = ({ post, onSave }) => {
   return (
       <form onSubmit={handleSubmit} className="max-w-xl pt-2 space-y-4">
 	<FieldError messages={baseErrors}/>
+	{!(post.thumbnail?.trim () || post.thumbnailBase?.trim ()) && (
+	    <FieldWarning
+		messages={[label ('shared:labels.thumbnailMissing')]}/>)}
 
 	<PostTextField
 	    label={label ('shared:labels.title')}

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