fix

vite.config.ts

@@ -1,3 +1,4 @@
+/// <reference types="vitest" />
 import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
 import path from 'path'
@@ -5,6 +6,17 @@ import path from 'path'
 // https://vite.dev/config/
 export default defineConfig({
   plugins: [react()],
+  test: {
+    globals: true,
+    environment: 'happy-dom',
+    setupFiles: ['./src/test/setup.ts'],
+    include: ['src/**/*.{test,spec}.{js,mjs,cjs,ts,mts,cts,jsx,tsx}'],
+    coverage: {
+      provider: 'v8',
+      reporter: ['text', 'json', 'html'],
+      include: ['src/lib/**/*.ts'],
+    },
+  },
   resolve: {
     alias: {
       "@": path.resolve(__dirname, "./src"),