feat(web): shared loading skeleton recipes (List/Form/AppShell) + common.loading (#53)

web/src/components/ui/skeletons.stories.tsx

@@ -0,0 +1,23 @@
+import type { Meta, StoryObj } from '@storybook/react-vite'
+import { expect } from 'storybook/test'
+
+import { AppShellSkeleton, FormSkeleton, ListSkeleton } from './skeletons'
+
+const meta = {
+  component: ListSkeleton,
+  tags: ['ai-generated'],
+} satisfies Meta<typeof ListSkeleton>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const List: Story = {
+  render: () => <ListSkeleton rows={4} />,
+  play: async ({ canvas }) => {
+    await expect(canvas.getByRole('status')).toBeInTheDocument()
+  },
+}
+
+export const Form: Story = { render: () => <FormSkeleton /> }
+
+export const AppShellLoading: Story = { render: () => <AppShellSkeleton /> }

web/src/components/ui/skeletons.tsx

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+import { useTranslation } from "react-i18next"
+
+import { cn } from "@/lib/utils"
+import { Skeleton } from "@/components/ui/skeleton"
+
+function ListSkeleton({
+  rows = 6,
+  rowClassName = "h-9 w-full",
+  className,
+}: {
+  rows?: number
+  rowClassName?: string
+  className?: string
+}) {
+  const { t } = useTranslation()
+  return (
+    <div role="status" aria-busy="true" aria-label={t("common.loading")} className={cn("space-y-2 p-3", className)}>
+      {Array.from({ length: rows }).map((_, i) => (
+        <Skeleton key={i} className={rowClassName} />
+      ))}
+    </div>
+  )
+}
+
+function FormSkeleton({ fields = 5, className }: { fields?: number; className?: string }) {
+  const { t } = useTranslation()
+  return (
+    <div role="status" aria-busy="true" aria-label={t("common.loading")} className={cn("space-y-4 p-4", className)}>
+      {Array.from({ length: fields }).map((_, i) => (
+        <div key={i} className="space-y-1">
+          <Skeleton className="h-3 w-24" />
+          <Skeleton className="h-8 w-full" />
+        </div>
+      ))}
+      <Skeleton className="h-8 w-28" />
+    </div>
+  )
+}
+
+function AppShellSkeleton() {
+  const { t } = useTranslation()
+  return (
+    <div role="status" aria-busy="true" aria-label={t("common.loading")} className="flex min-h-screen">
+      <aside className="w-44 space-y-2 border-r p-3">
+        {Array.from({ length: 5 }).map((_, i) => (
+          <Skeleton key={i} className="h-8 w-full" />
+        ))}
+      </aside>
+      <div className="flex flex-1 flex-col">
+        <div className="flex items-center border-b px-4 py-2">
+          <Skeleton className="h-6 w-40" />
+        </div>
+        <div className="flex-1 space-y-2 p-3">
+          {Array.from({ length: 6 }).map((_, i) => (
+            <Skeleton key={i} className="h-9 w-full" />
+          ))}
+        </div>
+      </div>
+    </div>
+  )
+}
+
+export { ListSkeleton, FormSkeleton, AppShellSkeleton }