C++ Turbo Module > Allow Promise<void> types (#52388)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/52388

Changelog: [Internal]

Similar to `AsyncCallback<>` (the foundation of `AsyncPromise`) we should allow `void` Promise types in C++ such as `AsyncPromise<>`

Reviewed By: rbergerjr

Differential Revision: D77712020

fbshipit-source-id: d7360df5cc1b77f1e03e5fb73b0b468f6e3a415b

packages/rn-tester/js/examples/TurboModule/NativeCxxModuleExampleExample.js

@@ -58,6 +58,7 @@ type Examples =
   | 'promise'
   | 'rejectPromise'
   | 'voidFunc'
+  | 'voidPromise'
   | 'setMenuItem'
   | 'optionalArgs'
   | 'emitDeviceEvent';
@@ -138,6 +139,10 @@ class NativeCxxModuleExampleExample extends React.Component<{}, State> {
         .then(() => {})
         .catch(e => this._setResult('rejectPromise', e.message)),
     voidFunc: () => NativeCxxModuleExample?.voidFunc(),
+    voidPromise: () =>
+      NativeCxxModuleExample?.voidPromise().then(valuePromise =>
+        this._setResult('voidPromise', valuePromise),
+      ),
     setMenuItem: () => {
       let curValue = '';
       NativeCxxModuleExample?.setMenu({