diff --git a/.gitignore b/.gitignore
index bef8131..067e02a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,6 @@
 /tests/snippets/*
 !/tests/snippets/config.json
 !/tests/snippets/tsconfig.json
+!/tests/snippets/jest.config.json
+!/tests/snippets/vite.config.ts
+!/tests/snippets/babel.config.js
diff --git a/tests/snippets/babel.config.js b/tests/snippets/babel.config.js
new file mode 100644
index 0000000..8165fe4
--- /dev/null
+++ b/tests/snippets/babel.config.js
@@ -0,0 +1,6 @@
+module.exports = {
+  presets: [
+    ['@babel/preset-env', { targets: { node: 'current' } }],
+    '@babel/preset-typescript',
+  ],
+};
diff --git a/tests/snippets/jest.config.json b/tests/snippets/jest.config.json
new file mode 100644
index 0000000..1a8af31
--- /dev/null
+++ b/tests/snippets/jest.config.json
@@ -0,0 +1,3 @@
+{
+  "testMatch": ["**/*.(mjs|ts|cjs)"]
+}
diff --git a/tests/snippets/vite.config.ts b/tests/snippets/vite.config.ts
new file mode 100644
index 0000000..f4000c5
--- /dev/null
+++ b/tests/snippets/vite.config.ts
@@ -0,0 +1,7 @@
+import { configDefaults, defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    include: [...configDefaults.include, '**/*.{mjs,cjs,ts}'],
+  },
+});