fix: exclude test files from build to prevent vite externalization errors

- Exclude `src/**/*.test.ts` from `vite.config.ts` build inputs.
- Add `@types/node` and include `node` in `tsconfig.json` types to support `node:test` and `node:assert` in tests.
- Verified build and type-check pass.

Co-authored-by: jaruesink <4207065+jaruesink@users.noreply.github.com>

Author: google-labs-jules[bot]

packages/components/package.json

@@ -87,6 +87,7 @@
     "@react-router/dev": "^7.0.0",
     "@react-router/node": "^7.0.0",
     "@types/glob": "^8.1.0",
+    "@types/node": "^25.2.1",
     "@types/react": "^19.0.0",
     "@typescript-eslint/eslint-plugin": "^6.21.0",
     "@typescript-eslint/parser": "^6.21.0",

packages/components/tsconfig.json

@@ -15,7 +15,7 @@
     "strict": true,
     "esModuleInterop": true,
     "moduleResolution": "bundler",
-    "types": ["@react-router/node", "vite/client"],
+    "types": ["@react-router/node", "vite/client", "node"],
     "rootDirs": [".", "./.react-router/types"]
   },
   "include": ["src", ".react-router/types/**/*"],

packages/components/vite.config.ts

@@ -28,6 +28,9 @@ export default defineConfig({
           .sync('src/**/*.{ts,tsx}', {
             ignore: [
               'src/**/*.d.ts',
+              'src/**/*.test.ts',
+              'src/**/*.test.tsx',
+              'src/**/*.stories.tsx',
               'src/**/core/types.ts', // Exclude type-only files to avoid empty chunks
             ],
           })

yarn.lock

@@ -1737,6 +1737,7 @@ __metadata:
     "@react-router/node": "npm:^7.0.0"
     "@tanstack/react-table": "npm:^8.21.2"
     "@types/glob": "npm:^8.1.0"
+    "@types/node": "npm:^25.2.1"
     "@types/react": "npm:^19.0.0"
     "@typescript-eslint/eslint-plugin": "npm:^6.21.0"
     "@typescript-eslint/parser": "npm:^6.21.0"
@@ -4738,6 +4739,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/node@npm:^25.2.1":
+  version: 25.2.1
+  resolution: "@types/node@npm:25.2.1"
+  dependencies:
+    undici-types: "npm:~7.16.0"
+  checksum: 10c0/ce42fa07495093c55b6398e3c4346d644a61b8c4f59d2e0c0ed152ea0e4327c60a41d5fdfa3e0fc4f4776eb925e2b783b6b942501fc044328a44980bc2de4dc6
+  languageName: node
+  linkType: hard
+
 "@types/react-dom@npm:^19":
   version: 19.1.9
   resolution: "@types/react-dom@npm:19.1.9"
@@ -11760,6 +11770,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"undici-types@npm:~7.16.0":
+  version: 7.16.0
+  resolution: "undici-types@npm:7.16.0"
+  checksum: 10c0/3033e2f2b5c9f1504bdc5934646cb54e37ecaca0f9249c983f7b1fc2e87c6d18399ebb05dc7fd5419e02b2e915f734d872a65da2e3eeed1813951c427d33cc9a
+  languageName: node
+  linkType: hard
+
 "unicorn-magic@npm:^0.1.0":
   version: 0.1.0
   resolution: "unicorn-magic@npm:0.1.0"