first commit

vite.config.ts

@@ -0,0 +1,45 @@
+import { fileURLToPath, URL } from 'node:url'
+
+import vue from '@vitejs/plugin-vue'
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({
+  plugins: [vue()],
+  resolve: {
+    alias: {
+      '@': fileURLToPath(new URL('./src', import.meta.url)),
+    },
+  },
+  test: {
+    environment: 'jsdom',
+    setupFiles: ['./src/test/setup.ts'],
+    css: true,
+    coverage: {
+      provider: 'v8',
+      reporter: ['text', 'json-summary'],
+      thresholds: {
+        lines: 80,
+        statements: 80,
+        functions: 80,
+        branches: 75,
+      },
+    },
+  },
+  build: {
+    outDir: 'dist-demo',
+    rolldownOptions: {
+      output: {
+        codeSplitting: {
+          groups: [
+            {
+              name: 'vendor',
+              test: /node_modules[\\/]/,
+              maxSize: 400_000,
+              priority: 1,
+            },
+          ],
+        },
+      },
+    },
+  },
+})