Fix flow

Author: sebmarkbage

packages/react-devtools-shell/src/app/index.js

@@ -3,10 +3,7 @@
 // This test harness mounts each test app as a separate root to test multi-root applications.
 
 import {createElement} from 'react';
-import {
-  // $FlowFixMe Flow does not yet know about createRoot()
-  createRoot,
-} from 'react-dom/client';
+import {createRoot} from 'react-dom/client';
 import {render, unmountComponentAtNode} from 'react-dom';
 import DeeplyNestedComponents from './DeeplyNestedComponents';
 import Iframe from './Iframe';

packages/react-devtools-shell/src/e2e/app.js

@@ -14,7 +14,6 @@ const container = document.createElement('div');
 // so that it can load things other than just ToDoList.
 const App = require('./apps/ListApp').default;
 
-// $FlowFixMe Flow doesn't know about createRoot() yet.
 const root = ReactDOMClient.createRoot(container);
 root.render(<App />);
 

packages/react-dom/client.js

@@ -25,7 +25,7 @@ import {
 
 export function createRoot(
   container: Container,
-  options: CreateRootOptions,
+  options?: CreateRootOptions,
 ): RootType {
   if (__DEV__) {
     Internals.usingClientEntryPoint = true;
@@ -42,7 +42,7 @@ export function createRoot(
 export function hydrateRoot(
   container: Container,
   children: ReactNodeList,
-  options: HydrateRootOptions,
+  options?: HydrateRootOptions,
 ): RootType {
   if (__DEV__) {
     Internals.usingClientEntryPoint = true;

scripts/shared/inlinedHostConfigs.js

@@ -18,12 +18,14 @@ module.exports = [
     ],
     paths: [
       'react-dom',
+      'react-dom/client',
       'react-dom/src/server/ReactDOMFizzServerNode.js', // react-dom/server.node
       'react-server-dom-webpack',
       'react-server-dom-webpack/writer',
       'react-server-dom-webpack/writer.node.server',
       'react-server-dom-webpack/src/ReactFlightDOMServerNode.js', // react-server-dom-webpack/writer.node.server
       'react-client/src/ReactFlightClientStream.js', // We can only type check this in streaming configurations.
+      'react-devtools-shell',
       'react-interactions',
     ],
     isFlowTyped: true,
@@ -40,12 +42,14 @@ module.exports = [
     ],
     paths: [
       'react-dom',
+      'react-dom/client',
       'react-dom/unstable_testing',
       'react-dom/src/server/ReactDOMFizzServerBrowser.js', // react-dom/server.browser
       'react-server-dom-webpack',
       'react-server-dom-webpack/writer.browser.server',
       'react-server-dom-webpack/src/ReactFlightDOMServerBrowser.js', // react-server-dom-webpack/writer.browser.server
       'react-client/src/ReactFlightClientStream.js', // We can only type check this in streaming configurations.
+      'react-devtools-shell',
     ],
     isFlowTyped: true,
     isServerSupported: true,