[flow] Restrict ParamName to string (#5200)

react-navigation · Nov 6, 2018 · cfa1eb2 · cfa1eb2
1 parent e34c724
commit cfa1eb2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/flow/react-navigation.js b/flow/react-navigation.js
@@ -533,7 +533,7 @@ declare module 'react-navigation' {
       eventName: string,
       callback: NavigationEventCallback
     ) => NavigationEventSubscription,
-    getParam: <ParamName>(
+    getParam: <ParamName: string>(
       paramName: ParamName,
       fallback?: $ElementType<
         $PropertyType<