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

apps/v4/app/(app)/(create)/init/route.ts

@@ -0,0 +1,66 @@
+import { NextResponse, type NextRequest } from "next/server"
+import { track } from "@vercel/analytics/server"
+import { isPresetCode } from "shadcn/preset"
+import { registryItemSchema } from "shadcn/schema"
+
+import {
+  buildPartialRegistryBase,
+  buildRegistryBase,
+  parseRegistryBaseParts,
+} from "@/registry/config"
+import { parseDesignSystemConfig } from "@/app/(app)/(create)/lib/parse-config"
+import { getPresetCode } from "@/app/(app)/(create)/lib/preset-code"
+
+export async function GET(request: NextRequest) {
+  try {
+    const searchParams = request.nextUrl.searchParams
+    const result = parseDesignSystemConfig(searchParams)
+
+    if (!result.success) {
+      return NextResponse.json({ error: result.error }, { status: 400 })
+    }
+
+    const onlyResult = parseRegistryBaseParts(searchParams.get("only"))
+    if (!onlyResult.success) {
+      return NextResponse.json({ error: onlyResult.error }, { status: 400 })
+    }
+
+    const rawPreset = searchParams.get("preset")
+    const presetCode =
+      rawPreset && isPresetCode(rawPreset)
+        ? rawPreset
+        : getPresetCode(result.data)
+
+    const registryBase = onlyResult.parts
+      ? buildPartialRegistryBase(result.data, onlyResult.parts)
+      : buildRegistryBase(result.data)
+    const parseResult = registryItemSchema.safeParse(registryBase)
+
+    if (!parseResult.success) {
+      return NextResponse.json(
+        {
+          error: "Invalid registry base item",
+          details: parseResult.error.format(),
+        },
+        { status: 500 }
+      )
+    }
+
+    if (searchParams.get("track") === "1") {
+      track("create_app", {
+        ...result.data,
+        preset: presetCode,
+      })
+    }
+
+    return NextResponse.json(parseResult.data)
+  } catch (error) {
+    return NextResponse.json(
+      {
+        error:
+          error instanceof Error ? error.message : "An unknown error occurred",
+      },
+      { status: 500 }
+    )
+  }
+}