diff --git a/bases/strictest.json b/bases/strictest.json
index f7777dc..df7989e 100644
--- a/bases/strictest.json
+++ b/bases/strictest.json
@@ -14,6 +14,7 @@
 
     "isolatedModules": true,
 
+    "allowJs": true,
     "checkJs": true,
 
     "esModuleInterop": true,