diff --git a/src/test/toTree.spec.ts b/test/toTree.spec.ts
similarity index 100%
rename from src/test/toTree.spec.ts
rename to test/toTree.spec.ts
diff --git a/tsconfig.json b/tsconfig.json
index 596e240..266a01f 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -29,6 +29,6 @@
     "isolatedModules": false
   },
 
-  "include": ["src/**/*"],
+  "include": ["src/**/*", "test/**/*"],
   "exclude": ["node_modules", "dist"]
 }
diff --git a/vite.config.ts b/vite.config.ts
index 229e066..e0f4bba 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -24,6 +24,9 @@ export default defineConfig((_) => {
       emptyOutDir: true,
       sourcemap: dev ? 'inline' : false,
       rollupOptions: {
+        external: (id) => {
+          return id.includes('spec.') || id.includes('test.') || id.includes('node_modules')
+        },
         output: {
           dynamicImportInCjs: false,
           inlineDynamicImports: true,