fix(types) Correct overload order for act without strictNullChecks (#622)

Author: andyrooger

.all-contributorsrc

@@ -547,6 +547,15 @@
       "contributions": [
         "maintenance"
       ]
+    },
+    {
+      "login": "andyrooger",
+      "name": "andyrooger",
+      "avatar_url": "https://avatars.githubusercontent.com/u/420834?v=4",
+      "profile": "https://github.com/andyrooger",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "skipCi": true,

README.md

@@ -244,6 +244,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
   </tr>
   <tr>
     <td align="center"><a href="https://matan.io"><img src="https://avatars.githubusercontent.com/u/12711091?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Matan Borenkraout</b></sub></a><br /><a href="#maintenance-MatanBobi" title="Maintenance">🚧</a></td>
+    <td align="center"><a href="https://github.com/andyrooger"><img src="https://avatars.githubusercontent.com/u/420834?v=4?s=100" width="100px;" alt=""/><br /><sub><b>andyrooger</b></sub></a><br /><a href="https://github.com/testing-library/react-hooks-testing-library/commits?author=andyrooger" title="Code">💻</a></td>
   </tr>
 </table>
 

src/types/index.ts

@@ -64,8 +64,8 @@ export type RenderHookOptions<TProps> = {
 }
 
 export type Act = {
-  (callback: () => void | undefined): void
   (callback: () => Promise<void | undefined>): Promise<undefined>
+  (callback: () => void | undefined): void
 }
 
 export type CleanupCallback = () => Promise<void> | void