install vitest

.github/workflows/ci.yml

@@ -12,6 +12,24 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: package.json
+          cache: npm
+      - name: Install dependencies
+        run: npm ci
+      - name: Build
+        run: npm run build
+      - name: Test
+        run: npm run test
+
   lint:
     name: Lint
     runs-on: ubuntu-latest

astro.config.ts

@@ -7,4 +7,9 @@ import { defineConfig } from 'astro/config';
 export default defineConfig({
   site: 'https://example.com',
   integrations: [sitemap(), tailwind({ nesting: true }), icon()],
+  vite: {
+    define: {
+      'import.meta.vitest': 'undefined',
+    },
+  },
 });