snapshot of https://github.com/shadcn-ui/ui.git (main, 2026-09-15; blobs > 131072B omitted)

apps/v4/components/block-display.tsx

@@ -0,0 +1,78 @@
+import * as React from "react"
+import { cn } from "cn"
+import { type registryItemFileSchema } from "shadcn/schema"
+import { type z } from "zod"
+
+import { highlightCode } from "@/lib/highlight-code"
+import {
+  createFileTreeForRegistryItemFiles,
+  getRegistryItem,
+} from "@/lib/registry"
+import { BlockViewer } from "@/components/block-viewer"
+import { ComponentPreview } from "@/components/component-preview"
+import { type Style } from "@/registry/_legacy-styles"
+
+export async function BlockDisplay({
+  name,
+  styleName,
+}: {
+  name: string
+  styleName: Style["name"]
+}) {
+  const item = await getCachedRegistryItem(name, styleName)
+
+  if (!item?.files) {
+    return null
+  }
+
+  const [tree, highlightedFiles] = await Promise.all([
+    getCachedFileTree(item.files),
+    getCachedHighlightedFiles(item.files),
+  ])
+
+  return (
+    <BlockViewer
+      item={item}
+      tree={tree}
+      highlightedFiles={highlightedFiles}
+      styleName={styleName}
+    >
+      <ComponentPreview
+        name={item.name}
+        styleName={styleName}
+        hideCode
+        className={cn(
+          "my-0 **:[.preview]:h-auto **:[.preview]:p-4 **:[.preview>.p-6]:p-0",
+          item.meta?.containerClassName
+        )}
+      />
+    </BlockViewer>
+  )
+}
+
+const getCachedRegistryItem = React.cache(
+  async (name: string, styleName: Style["name"]) => {
+    return await getRegistryItem(name, styleName)
+  }
+)
+
+const getCachedFileTree = React.cache(
+  async (files: Array<{ path: string; target?: string }>) => {
+    if (!files) {
+      return null
+    }
+
+    return await createFileTreeForRegistryItemFiles(files)
+  }
+)
+
+const getCachedHighlightedFiles = React.cache(
+  async (files: z.infer<typeof registryItemFileSchema>[]) => {
+    return await Promise.all(
+      files.map(async (file) => ({
+        ...file,
+        highlightedContent: await highlightCode(file.content ?? ""),
+      }))
+    )
+  }
+)