diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6b5390f..d4f5774 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -50,6 +50,9 @@ jobs:
       - name: Build
         run: pnpm build
         if: ${{ !cancelled() }}
+      - name: Check TypeScript types
+        run: pnpm check
+        if: ${{ !cancelled() }}
       - name: Run tests
         run: pnpm test
         if: ${{ !cancelled() }}
diff --git a/bench/bench.ts b/bench/bench.ts
index 421b900..b11f25c 100644
--- a/bench/bench.ts
+++ b/bench/bench.ts
@@ -1,6 +1,6 @@
 #!/usr/bin/env node
 import { walk } from '@immich/walkrs';
-import { BENCH_DIR, DATASETS } from 'bench/constants';
+import { BENCH_DIR, DATASETS } from 'bench/constants.js';
 import fs from 'node:fs';
 import os from 'node:os';
 import path from 'node:path';
diff --git a/bench/setup.ts b/bench/setup.ts
index d61b9ce..dda6b7c 100644
--- a/bench/setup.ts
+++ b/bench/setup.ts
@@ -1,5 +1,5 @@
 #!/usr/bin/env node
-import { BENCH_DIR, DATASETS, DatasetConfig } from 'bench/constants';
+import { BENCH_DIR, DATASETS, type DatasetConfig } from 'bench/constants.js';
 import { promises as fs } from 'node:fs';
 import { join } from 'node:path';
 
diff --git a/eslint.config.mjs b/eslint.config.mjs
index 9605edd..6e056ee 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -2,13 +2,8 @@ import js from '@eslint/js';
 import eslintPluginPrettierRecommended from 'eslint-plugin-prettier/recommended';
 import eslintPluginUnicorn from 'eslint-plugin-unicorn';
 import globals from 'globals';
-import path from 'node:path';
-import { fileURLToPath } from 'node:url';
 import typescriptEslint from 'typescript-eslint';
 
-const __filename = fileURLToPath(import.meta.url);
-const __dirname = path.dirname(__filename);
-
 export default typescriptEslint.config([
   eslintPluginUnicorn.configs.recommended,
   eslintPluginPrettierRecommended,
@@ -29,7 +24,7 @@ export default typescriptEslint.config([
 
       parserOptions: {
         project: 'tsconfig.json',
-        tsconfigRootDir: __dirname,
+        tsconfigRootDir: import.meta.dirname,
       },
     },
 
diff --git a/lib/index.d.ts b/lib/index.d.ts
index a4c325f..4c25a3f 100644
--- a/lib/index.d.ts
+++ b/lib/index.d.ts
@@ -1,4 +1,6 @@
-export { WalkOptions } from '../dist/index.js';
+import type { WalkOptions } from '../dist/index.js';
+
+export type { WalkOptions } from '../dist/index.js';
 
 export type WalkError = {
   path?: string;
diff --git a/package.json b/package.json
index 77052d4..59ff0ba 100644
--- a/package.json
+++ b/package.json
@@ -36,6 +36,7 @@
     "build:debug": "napi build --platform --esm -o dist",
     "build:release": "napi build --platform --release --esm -o dist",
     "test": "vitest --config test/vitest.config.mjs",
+    "check": "tsc --noEmit",
     "typecheck": "tsc --noEmit",
     "ts:check": "tsc --noEmit",
     "ts:format": "prettier --check .",
diff --git a/test/vitest.config.mjs b/test/vitest.config.mjs
index ba03528..180dcc2 100644
--- a/test/vitest.config.mjs
+++ b/test/vitest.config.mjs
@@ -1,21 +1,20 @@
+import { dirname, resolve } from 'node:path';
+import { fileURLToPath } from 'node:url';
 import swc from 'unplugin-swc';
 import tsconfigPaths from 'vite-tsconfig-paths';
 import { defineConfig } from 'vitest/config';
 
+const projectRoot = resolve(dirname(fileURLToPath(import.meta.url)), '..');
+
 export default defineConfig({
   test: {
-    root: './',
+    root: projectRoot,
     globals: true,
     include: ['test/**/*.spec.ts'],
     coverage: {
       provider: 'v8',
       include: ['test/**'],
     },
-    server: {
-      deps: {
-        fallbackCJS: true,
-      },
-    },
     env: {
       TZ: 'UTC',
     },
diff --git a/tsconfig.json b/tsconfig.json
index f2bd62d..6d33956 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,8 +1,8 @@
 {
   "compilerOptions": {
-    "target": "ES2020",
-    "module": "ESNext",
-    "lib": ["ES2023"],
+    "target": "ES2024",
+    "module": "NodeNext",
+    "lib": ["ES2024"],
     "declaration": true,
     "declarationDir": "./dist",
     "outDir": "./dist",
@@ -11,11 +11,14 @@
     "skipLibCheck": true,
     "forceConsistentCasingInFileNames": true,
     "resolveJsonModule": true,
-    "moduleResolution": "bundler",
+    "moduleResolution": "NodeNext",
+    "isolatedModules": true,
     "allowSyntheticDefaultImports": true,
-    "baseUrl": ".",
+    "paths": {
+      "bench/*": ["./bench/*"]
+    },
     "rootDir": "."
   },
-  "include": ["test/**/*.ts", "bench/**/*.ts", "types/**/*.d.ts"],
+  "include": ["test/**/*.ts", "bench/**/*.ts", "example/**/*.ts", "lib/**/*.d.ts", "types/**/*.d.ts"],
   "exclude": ["node_modules", "dist", "target"]
 }