diff --git a/js/package.json b/js/package.json
index 901f42ede..09b22748d 100644
--- a/js/package.json
+++ b/js/package.json
@@ -24,6 +24,7 @@
   },
   "scripts": {
     "dev": "webpack --mode development --watch",
-    "build": "webpack --mode production"
+    "build": "webpack --mode production",
+    "format": "prettier --write src"
   }
 }