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

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

@@ -0,0 +1,29 @@
+import { type NextRequest } from "next/server"
+import { track } from "@vercel/analytics/server"
+
+import { buildInstructions } from "@/app/(app)/(create)/lib/build-instructions"
+import { parseDesignSystemConfig } from "@/app/(app)/(create)/lib/parse-config"
+
+export async function GET(request: NextRequest) {
+  try {
+    const searchParams = request.nextUrl.searchParams
+    const result = parseDesignSystemConfig(searchParams)
+
+    if (!result.success) {
+      return new Response(result.error, { status: 400 })
+    }
+
+    track("create_app_manual", result.data)
+
+    const markdown = buildInstructions(result.data)
+
+    return new Response(markdown, {
+      headers: { "Content-Type": "text/markdown; charset=utf-8" },
+    })
+  } catch (error) {
+    return new Response(
+      error instanceof Error ? error.message : "An unknown error occurred",
+      { status: 500 }
+    )
+  }
+}

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

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+import { describe, expect, it } from "vitest"
+
+import {
+  buildRegistryBase,
+  DEFAULT_CONFIG,
+  POINTER_CURSOR_SELECTOR,
+} from "@/registry/config"
+
+import { GET } from "./route"
+
+function createRequest(search = "") {
+  const searchParams = new URLSearchParams(
+    Object.entries(DEFAULT_CONFIG).map(([key, value]) => [key, String(value)])
+  )
+  const url = new URL(`http://localhost:4000/init${search}`)
+
+  for (const [key, value] of url.searchParams) {
+    searchParams.set(key, value)
+  }
+
+  return {
+    nextUrl: new URL(`http://localhost:4000/init?${searchParams}`),
+  } as Parameters<typeof GET>[0]
+}
+
+describe("GET /init", () => {
+  it("returns the full registry base when only is omitted", async () => {
+    const response = await GET(createRequest())
+    const json = await response.json()
+
+    expect(response.status).toBe(200)
+    expect(json).toEqual(buildRegistryBase(DEFAULT_CONFIG))
+    expect(json.css["@layer base"][POINTER_CURSOR_SELECTOR]).toBeUndefined()
+  })
+
+  it("returns pointer cursor css when pointer is enabled", async () => {
+    const response = await GET(createRequest("?pointer=true"))
+    const json = await response.json()
+
+    expect(response.status).toBe(200)
+    expect(json.css["@layer base"][POINTER_CURSOR_SELECTOR]).toEqual({
+      cursor: "pointer",
+    })
+  })
+
+  it("returns a sparse registry base when only is provided", async () => {
+    const response = await GET(createRequest("?only=theme"))
+    const json = await response.json()
+
+    expect(response.status).toBe(200)
+    expect(json.type).toBe("registry:base")
+    expect(json.config).toEqual({
+      menuColor: "default",
+      menuAccent: "subtle",
+      tailwind: {
+        baseColor: "neutral",
+      },
+    })
+    expect(json.cssVars.light).toBeDefined()
+    expect(json.cssVars.light.radius).toBe("0.625rem")
+    expect(json.dependencies).toBeUndefined()
+    expect(json.registryDependencies).toBeUndefined()
+  })
+
+  it("rejects unsupported only values", async () => {
+    const response = await GET(createRequest("?only=icon"))
+    const json = await response.json()
+
+    expect(response.status).toBe(400)
+    expect(json.error).toBe(
+      "Invalid only value. Use one or more of: theme, font"
+    )
+  })
+})

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

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+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 }
+    )
+  }
+}

apps/v4/app/(app)/(create)/init/v0/route.ts

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+import { after, NextResponse, type NextRequest } from "next/server"
+import { track } from "@vercel/analytics/server"
+import { isPresetCode } from "shadcn/preset"
+
+import { parseDesignSystemConfig } from "@/app/(app)/(create)/lib/parse-config"
+import { getPresetCode } from "@/app/(app)/(create)/lib/preset-code"
+import { buildV0Payload } from "@/app/(app)/(create)/lib/v0"
+
+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 rawPreset = searchParams.get("preset")
+    const presetCode =
+      rawPreset && isPresetCode(rawPreset)
+        ? rawPreset
+        : getPresetCode(result.data)
+
+    // Defer analytics to after response is sent.
+    after(() => {
+      track("create_open_in_v0", {
+        ...result.data,
+        preset: presetCode,
+      })
+    })
+
+    const payload = await buildV0Payload(result.data)
+
+    return NextResponse.json(payload)
+  } catch (error) {
+    return NextResponse.json(
+      {
+        error:
+          error instanceof Error ? error.message : "An unknown error occurred",
+      },
+      { status: 500 }
+    )
+  }
+}