small fixes for new typescript version

Author: João Leite

src/index.tsx

@@ -51,7 +51,7 @@ function triggerSubscriptions() {
           if (subscribes[componentId] && typeof subscribes[componentId] === 'function') {
             subscribes[componentId]()
           }
-          resolve()
+          resolve(componentId)
         }
       ).then()
     }