diff --git a/mangle.json b/mangle.json
new file mode 100644
index 0000000..e765f9c
--- /dev/null
+++ b/mangle.json
@@ -0,0 +1,12 @@
+{
+  "minify": {
+    "mangle": {
+      "properties": {
+        "regex": "^_[^_]"
+      }
+    }
+  },
+  "props": {
+    "props": {}
+  }
+}
\ No newline at end of file