diff --git a/package-lock.json b/package-lock.json
index 2f7d064..803c2e0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,6 +22,7 @@
         "@types/node": "^22.15.30",
         "@types/yargs": "^17.0.33",
         "@vitest/coverage-v8": "^3.2.2",
+        "premove": "^4.0.0",
         "release-it": "^19.0.3",
         "typescript": "^5.8.3",
         "vitest": "^3.2.2"
@@ -4333,6 +4334,19 @@
         "node": "^10 || ^12 || >=14"
       }
     },
+    "node_modules/premove": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/premove/-/premove-4.0.0.tgz",
+      "integrity": "sha512-zim/Hr4+FVdCIM7zL9b9Z0Wfd5Ya3mnKtiuDv7L5lzYzanSq6cOcVJ7EFcgK4I0pt28l8H0jX/x3nyog380XgQ==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "premove": "bin.js"
+      },
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/protocols": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/protocols/-/protocols-2.0.2.tgz",
diff --git a/package.json b/package.json
index 266052f..6b28c60 100644
--- a/package.json
+++ b/package.json
@@ -35,8 +35,10 @@
     "url": "https://github.com/ghiscoding/native-copyfiles/issues"
   },
   "scripts": {
-    "prebuild": "npm run biome:lint:write && npm run biome:format:write",
-    "build": "tsc --outDir dist",
+    "build": "npm run clean && npm run biome:write && tsc --outDir dist",
+    "clean": "premove dist",
+    "biome:check": "npm run biome:lint:check && npm run biome:format:check",
+    "biome:write": "npm run biome:lint:write && npm run biome:format:write",
     "biome:lint:check": "biome lint ./src",
     "biome:lint:write": "biome lint --write ./src",
     "biome:format:check": "biome format ./src",
@@ -58,6 +60,7 @@
     "@types/node": "^22.15.30",
     "@types/yargs": "^17.0.33",
     "@vitest/coverage-v8": "^3.2.2",
+    "premove": "^4.0.0",
     "release-it": "^19.0.3",
     "typescript": "^5.8.3",
     "vitest": "^3.2.2"
diff --git a/src/__tests__/cli.spec.ts b/src/__tests__/cli.spec.ts
index eb7c60a..1c9762f 100644
--- a/src/__tests__/cli.spec.ts
+++ b/src/__tests__/cli.spec.ts
@@ -52,7 +52,7 @@ describe('copyfiles', () => {
           // Do nothing for code 0
         });
 
-        import('../cli.ts')
+        import('../cli.js')
           .then(() => {
             // Wait until output2/input2 exists, then check files
             const start = Date.now();