diff --git a/package.json b/package.json
index 8abd21c..4a28337 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,8 @@
   },
   "scripts": {
     "build": "bun scripts/build.ts",
-    "build:docs": "typedoc src/index.ts"
+    "build:docs": "typedoc src/index.ts",
+    "pretest": "bun scripts/cleanup-test-data.ts",
+    "test": "bun test"
   }
 }
diff --git a/scripts/cleanup-test-data.ts b/scripts/cleanup-test-data.ts
new file mode 100755
index 0000000..0f4d3b5
--- /dev/null
+++ b/scripts/cleanup-test-data.ts
@@ -0,0 +1,13 @@
+import { rm, readdir } from "fs/promises";
+import { join as joinPaths } from "path";
+
+// rm -f test/ignore/*.{js,json,txt}
+// rm -f test/ignore/app-*.asar
+
+const ignoreDir = "test/ignore";
+
+for (const file of await readdir(ignoreDir)) {
+  if (/\.(js|json|txt)$|^app-.+\.asar/.test(file)) {
+    await rm(joinPaths(ignoreDir, file));
+  }
+}
diff --git a/test/cleanupTestData.sh b/test/cleanupTestData.sh
deleted file mode 100755
index 8c93fdb..0000000
--- a/test/cleanupTestData.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/usr/bin/env bash
-
-rm -f test/ignore/*.{js,json,txt}
-rm -f test/ignore/app-*.asar