chore: install vitest and configure test environment

shop/package.json

@@ -4,7 +4,8 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "eslint ."
+    "lint": "eslint .",
+    "test": "vitest run"
   },
   "dependencies": {
     "@hookform/resolvers": "^5.2.2",
@@ -51,6 +52,7 @@
     "postcss": "^8",
     "tailwindcss": "^3.4.1",
     "tailwindcss-animate": "^1.0.7",
-    "typescript": "^5"
+    "typescript": "^5",
+    "vitest": "^1.6.0"
   }
 }

shop/vitest.config.ts

@@ -0,0 +1,14 @@
+import { defineConfig } from 'vitest/config';
+import path from 'path';
+
+export default defineConfig({
+  test: {
+    environment: 'node',
+    globals: true,
+  },
+  resolve: {
+    alias: {
+      '@': path.resolve(__dirname, './'),
+    },
+  },
+});