diff --git a/vite.config.ts b/vite.config.ts
index f64deca..1d83f70 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -2,7 +2,7 @@ import url from 'node:url';
 import path from 'node:path';
 import fs from 'node:fs';
 
-import { defineConfig } from 'vite';
+import { defineConfig } from 'vitest/config';
 import react from '@vitejs/plugin-react';
 import wasm from 'vite-plugin-wasm';
 import replace from '@rollup/plugin-replace';
@@ -101,4 +101,49 @@ export default defineConfig({
       },
     },
   },
+  test: {
+    globals: true,
+    mockReset: true,
+    environment: 'jsdom',
+    setupFiles: ['src/test-utils/setup-jest.ts'],
+    alias: [
+      {
+        find: /^~\/(.*)/,
+        replacement: 'src/$1',
+      },
+    ],
+    // workaround: sql.js is not ESModule friendly, yet...
+    deps: {
+      // inline: ['sql.js'],
+      optimizer: {
+        web: {
+          include: ['sql.js'],
+        },
+      },
+    },
+    api: {
+      port: 5174, // vite port + 1
+    },
+    coverage: {
+      provider: 'v8',
+      exclude: [
+        // default rules
+        'coverage/**',
+        'dist/**',
+        'packages/*/test{,s}/**',
+        '**/*.d.ts',
+        'cypress/**',
+        'test{,s}/**',
+        'test{,-*}.{js,cjs,mjs,ts,tsx,jsx}',
+        '**/*{.,-}test.{js,cjs,mjs,ts,tsx,jsx}',
+        '**/*{.,-}spec.{js,cjs,mjs,ts,tsx,jsx}',
+        '**/__tests__/**',
+        '**/{karma,rollup,webpack,vite,vitest,jest,ava,babel,nyc,cypress,tsup,build}.config.*',
+        '**/.{eslint,mocha,prettier}rc.{js,cjs,yml}',
+
+        // custom ones
+        'src/test-utils/**',
+      ],
+    },
+  },
 });
diff --git a/vitest.config.ts b/vitest.config.ts
deleted file mode 100644
index e7e0842..0000000
--- a/vitest.config.ts
+++ /dev/null
@@ -1,43 +0,0 @@
-import { defineConfig } from 'vitest/config';
-
-export default defineConfig({
-  test: {
-    globals: true,
-    mockReset: true,
-    environment: 'jsdom',
-    setupFiles: ['src/test-utils/setup-jest.ts'],
-    alias: [
-      {
-        find: /^~\/(.*)/,
-        replacement: 'src/$1',
-      },
-    ],
-    // workaround: sql.js is not ESModule friendly, yet...
-    deps: {
-      inline: ['sql.js'],
-    },
-    api: {
-      port: 5174, // vite port + 1
-    },
-    coverage: {
-      exclude: [
-        // default rules
-        'coverage/**',
-        'dist/**',
-        'packages/*/test{,s}/**',
-        '**/*.d.ts',
-        'cypress/**',
-        'test{,s}/**',
-        'test{,-*}.{js,cjs,mjs,ts,tsx,jsx}',
-        '**/*{.,-}test.{js,cjs,mjs,ts,tsx,jsx}',
-        '**/*{.,-}spec.{js,cjs,mjs,ts,tsx,jsx}',
-        '**/__tests__/**',
-        '**/{karma,rollup,webpack,vite,vitest,jest,ava,babel,nyc,cypress,tsup,build}.config.*',
-        '**/.{eslint,mocha,prettier}rc.{js,cjs,yml}',
-
-        // custom ones
-        'src/test-utils/**',
-      ],
-    },
-  },
-});