feat(shadcn-cli): add support for bun install (#707)

* add support for bun install

* fix(cli): add changeset for bun install

---------

Co-authored-by: shadcn <m@shadcn.com>

Author: MarkLyck

.changeset/lovely-otters-rescue.md

@@ -0,0 +1,5 @@
+---
+"shadcn-ui": patch
+---
+
+fix(cli): use bun add when bun detected

packages/cli/src/utils/get-package-manager.ts

@@ -2,12 +2,12 @@ import { detect } from "@antfu/ni"
 
 export async function getPackageManager(
   targetDir: string
-): Promise<"yarn" | "pnpm" | "npm"> {
+): Promise<"yarn" | "pnpm" | "bun" | "npm"> {
   const packageManager = await detect({ programmatic: true, cwd: targetDir })
 
   if (packageManager === "yarn@berry") return "yarn"
   if (packageManager === "pnpm@6") return "pnpm"
-  if (packageManager === "bun") return "npm"
+  if (packageManager === "bun") return "bun"
 
   return packageManager ?? "npm"
 }

packages/cli/test/fixtures/project-bun/bun.lockb

@@ -0,0 +1,7 @@
+{
+  "name": "test-cli-project-bun",
+  "version": "1.0.0",
+  "main": "index.js",
+  "author": "shadcn",
+  "license": "MIT"
+}

packages/cli/test/fixtures/project-bun/package.json

@@ -16,6 +16,10 @@ test("get package manager", async () => {
     await getPackageManager(path.resolve(__dirname, "../fixtures/project-pnpm"))
   ).toBe("pnpm")
 
+  expect(
+    await getPackageManager(path.resolve(__dirname, "../fixtures/project-bun"))
+  ).toBe("bun")
+
   expect(
     await getPackageManager(path.resolve(__dirname, "../fixtures/next"))
   ).toBe("pnpm")