diff --git a/package.json b/package.json
index e082ab7..e51f53e 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,8 @@
     "lint": "eslint . --ext .js,.jsx,.ts,.tsx,.vue,.mjs",
     "test": "nyc ava",
     "ci": "yarn && node jenkins.js",
-    "mutate": "stryker run"
+    "mutate": "stryker run",
+    "compile": "tsc --allowJs --declaration --emitDeclarationOnly index.js"
   },
   "files": [
     "LICENSE",