AI: address issue #320

frontend/src/components/DraggableDroppableTagRow.test.tsx

@@ -1,25 +1,9 @@
-import { screen } from '@testing-library/react'
 import { beforeEach, describe, expect, it, vi } from 'vitest'
 
 import DraggableDroppableTagRow from '@/components/DraggableDroppableTagRow'
 import { buildTag } from '@/test/factories'
 import { renderWithProviders } from '@/test/render'
 
-import type { CSSProperties, ReactNode } from 'react'
-
-vi.mock ('framer-motion', async importOriginal => {
-  const original = await importOriginal<typeof import ('framer-motion')> ()
-  return {
-      ...original,
-      motion: {
-	  ...original.motion,
-	  div: ({ children, style, layoutId }: {
-	      children?: ReactNode
-	      style?: CSSProperties
-	      layoutId?: string }) => (
-	      <div style={style} data-layout-id={layoutId}>{children}</div>) } }
-})
-
 const dndKit = vi.hoisted (() => ({
   useDraggable: vi.fn (),
   useDroppable: vi.fn (),
@@ -113,32 +97,4 @@ describe ('DraggableDroppableTagRow', () => {
 	}),
     )
   })
-
-  it.each ([false, true]) (
-      'separates same-id internal and external animation identities (sp=%s)',
-      sp => {
-	const internal = buildTag ({ id: 7, name: 'internal_collision' })
-	const external = buildTag ({
-	    id: 7, name: 'nico:external_collision', category: 'nico' })
-
-	renderWithProviders (
-	    <>
-	      {[internal, external].map (item => (
-		  <DraggableDroppableTagRow
-		      key={item.category}
-		      tag={item}
-		      nestLevel={0}
-		      pathKey={`cat-${ item.category }-7`}
-		      suppressClickRef={{ current: false }}
-		      sp={sp}/>))}
-	    </>)
-
-	const prefix = sp ? 'tag-sp-' : 'tag-'
-	for (const item of [internal, external])
-	{
-	  expect (screen.getByRole ('link', { name: item.name })
-	      .closest ('[data-layout-id]')).toHaveAttribute (
-		  'data-layout-id', `${ prefix }${ item.category }-7`)
-	}
-      })
 })

frontend/src/components/DraggableDroppableTagRow.tsx

@@ -137,7 +137,7 @@ const DraggableDroppableTagRow: FC<Props> = ({
 		transition={{ layout: layoutTransition }}
 		layoutId={animationMode === 'off'
 		    ? undefined
-		    : `tag-${ sp ? 'sp-' : '' }${ tag.category }-${ tag.id }`}>
+		    : `tag-${ sp ? 'sp-' : '' }${ tag.id }`}>
 	      <TagLink tag={tag} nestLevel={nestLevel}/>
 	    </motion.div>)}
       </div>)

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/components/TagSidebar.test.tsx

@@ -1,47 +0,0 @@
-import { screen } from '@testing-library/react'
-import { describe, expect, it, vi } from 'vitest'
-
-import TagSidebar from '@/components/TagSidebar'
-import { buildPost, buildTag } from '@/test/factories'
-import { renderWithProviders } from '@/test/render'
-
-import type { ReactNode } from 'react'
-
-vi.mock ('@/components/TagSearch', () => ({ default: () => null }))
-vi.mock ('@/components/layout/SidebarComponent', () => ({
-    default: ({ children }: { children: ReactNode }) => <>{children}</> }))
-
-vi.mock ('framer-motion', async importOriginal => {
-  const original = await importOriginal<typeof import ('framer-motion')> ()
-  return {
-      ...original,
-      motion: {
-	  ...original.motion,
-	  div: ({ children, layoutId }: {
-	      children?: ReactNode
-	      layoutId?: string }) => (
-	      <div data-layout-id={layoutId}>{children}</div>) } }
-})
-
-describe ('TagSidebar', () => {
-  it ('keeps same-id internal and external tags with distinct identities', () => {
-    const errors = vi.spyOn (console, 'error').mockImplementation (() => {})
-    const internal = buildTag ({ id: 7, name: 'internal_collision' })
-    const external = buildTag ({
-	id: 7, name: 'nico:external_collision', category: 'nico' })
-
-    renderWithProviders (
-	<TagSidebar posts={[buildPost ({ tags: [internal, external] })]}/>)
-
-    for (const item of [internal, external])
-    {
-      const link = screen.getByRole ('link', { name: item.name })
-      expect (link).toBeInTheDocument ()
-      expect (link.closest ('[data-layout-id]')).toHaveAttribute (
-	  'data-layout-id', `tag-${ item.category }-7`)
-    }
-
-    expect (errors.mock.calls.filter (args =>
-	args.some (value => String (value).includes ('same key')))).toEqual ([])
-  })
-})

frontend/src/components/TagSidebar.tsx

@@ -84,8 +84,7 @@ const TagSidebar: FC<Props> = ({ posts, onClick }) => {
 	<ul>
 	  {CATEGORIES.flatMap (cat => cat in tags ? (
 	      tags[cat].map (tag => (
-		  <li key={`${ cat }-${ tag.id }`}
-		      className="mb-1 min-w-0 max-w-full overflow-hidden">
+		  <li key={tag.id} className="mb-1 min-w-0 max-w-full overflow-hidden">
 		    {animationsOff
 		     ? (
 			 <div className="flex min-w-0 max-w-full items-baseline overflow-hidden">
@@ -95,7 +94,7 @@ const TagSidebar: FC<Props> = ({ posts, onClick }) => {
 			 <motion.div
 			     className="flex min-w-0 max-w-full items-baseline overflow-hidden"
 			     transition={{ layout: layoutTransition }}
-			     layoutId={`tag-${ cat }-${ tag.id }`}>
+			     layoutId={`tag-${ tag.id }`}>
 			   <TagLink tag={tag} onClick={onClick}/>
 			 </motion.div>)}
 		  </li>))) : [])}

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-${ tag.id }`}
-					     className="block text-sm font-semibold">
-					{label ('nico.tagsToLink')}
-				      </label>
-				      <TextArea
+				      <PostFormTagsArea
 					  id={`nico-links-${ tag.id }`}
-					  value={rawTags[tag.id] ?? ''}
-					  invalid={(errorsByTagId[tag.id] ?? []).length > 0}
+					  label={label ('nico.tagsToLink')}
+					  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}))}/>
-				      <FieldError messages={errors}/>
+					      [tag.id]: value}))}/>
 				      <div className="flex justify-end gap-2">
 					<button
 					    type="button"