Open file import

Summary: This change only adds the PWA as capable of handling files with the ".flipper" extension.

Reviewed By: aigoncharov

Differential Revision: D48353437

fbshipit-source-id: fd78942ac4dffb7d26d5ca5be826290018465b93

desktop/flipper-ui-core/src/startFlipperDesktop.tsx

@@ -149,9 +149,10 @@ function init(flipperServer: FlipperServer) {
   loadTheme(settings.darkMode);
 
   // rehydrate app state before exposing init
-  const persistor = persistStore(store, undefined, () => {
+  const persistor = persistStore(store, undefined, async () => {
     // Make sure process state is set before dispatchers run
-    dispatcher(store, logger);
+    await dispatcher(store, logger);
+    getRenderHostInstance().sendIpcEvent('storeRehydrated');
   });
 
   setPersistor(persistor);
@@ -168,17 +169,17 @@ function init(flipperServer: FlipperServer) {
 
   connectFlipperServerToStore(flipperServer, store, logger);
 
+  enableConsoleHook();
+  enableConnectivityHook(flipperServer);
+
   // TODO T116224873: Return the following code back instead of ReactDOM.react when the following issue is fixed: https://github.com/react-component/trigger/issues/288
   // const root = createRoot(document.getElementById('root')!);
   // root.render(<AppFrame logger={logger} persistor={persistor} />);
 
-  ReactDOM.render(
-    <AppFrame logger={logger} persistor={persistor} />,
-    document.getElementById('root')!,
-  );
-
-  enableConsoleHook();
-  enableConnectivityHook(flipperServer);
+  const root = document.getElementById('root');
+  if (root) {
+    ReactDOM.render(<AppFrame logger={logger} persistor={persistor} />, root);
+  }
 
   const launcherMessage =
     getRenderHostInstance().serverConfig.processConfig.launcherMsg;
@@ -193,8 +194,8 @@ function init(flipperServer: FlipperServer) {
   }
 }
 
-export async function startFlipperDesktop(flipperServer: FlipperServer) {
-  getRenderHostInstance(); // renderHost instance should be set at this point!
+export function startFlipperDesktop(flipperServer: FlipperServer) {
+  getRenderHostInstance();
   init(flipperServer);
 }