diff --git a/package.json b/package.json
index e600137..c6879b7 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
 	"jsdelivr": "lib/browser/ISOToLanguage.js",
 	"exports": {
 		".": {
-			"types": "./lib/cjs/esm/index.d.ts",
+			"types": "./lib/index.d.ts",
 			"require": {
 				"default": "./lib/index.cjs",
 				"types": "./lib/index.d.cts"
diff --git a/src/isoToLanguage.ts b/src/isoToLanguage.ts
deleted file mode 100644
index f69edc4..0000000
--- a/src/isoToLanguage.ts
+++ /dev/null
@@ -1 +0,0 @@
-export * as isoToLanguage from "./index";
diff --git a/vite.config.ts b/vite.config.ts
new file mode 100644
index 0000000..9f932a0
--- /dev/null
+++ b/vite.config.ts
@@ -0,0 +1,11 @@
+import { configDefaults, defineConfig } from "vitest/config";
+
+export default defineConfig({
+	test: {
+		include: ["**/?(*.)+(spec|test).ts"],
+		coverage: {
+			include: ["src/**/*.{ts,tsx}"],
+			reporter: ["text", "lcov"],
+		},
+	},
+});