transformer warning, typescript fixes

tsconfig.json

@@ -6,6 +6,8 @@
     "noEmitOnError": true,
     "lib": ["es2015", "dom"]
     // "noImplicitAny": true
+    // "strict": true
   },
   "include": ["./src/*.ts"]
+  // "include": ["./types/*.ts"]
 }