Move SuspenseList to experimental package (#17130)

Also moves `withSuspenseConfig`

packages/react-dom/src/__tests__/ReactDOMServerPartialHydration-test.internal.js

@@ -85,7 +85,7 @@ describe('ReactDOMServerPartialHydration', () => {
     ReactDOMServer = require('react-dom/server');
     Scheduler = require('scheduler');
     Suspense = React.Suspense;
-    SuspenseList = React.unstable_SuspenseList;
+    SuspenseList = React.SuspenseList;
 
     useHover = require('react-interactions/events/hover').useHover;
   });

packages/react-dom/src/__tests__/ReactDOMServerSuspense-test.internal.js

@@ -107,14 +107,14 @@ describe('ReactDOMServerSuspense', () => {
 
   it('server renders a SuspenseList component and its children', async () => {
     const example = (
-      <React.unstable_SuspenseList>
+      <React.SuspenseList>
         <React.Suspense fallback="Loading A">
           <div>A</div>
         </React.Suspense>
         <React.Suspense fallback="Loading B">
           <div>B</div>
         </React.Suspense>
-      </React.unstable_SuspenseList>
+      </React.SuspenseList>
     );
     const element = await serverRender(example);
     const parent = element.parentNode;

packages/react-dom/src/__tests__/ReactTestUtilsAct-test.js

@@ -724,7 +724,7 @@ function runActTests(label, render, unmount, rerender) {
     });
 
     describe('suspense', () => {
-      if (__DEV__) {
+      if (__DEV__ && __EXPERIMENTAL__) {
         it('triggers fallbacks if available', async () => {
           let resolved = false;
           let resolve;

packages/react-reconciler/src/__tests__/ReactSuspenseList-test.internal.js

@@ -6,6 +6,11 @@ let Suspense;
 let SuspenseList;
 
 describe('ReactSuspenseList', () => {
+  if (!__EXPERIMENTAL__) {
+    it("empty test so Jest doesn't complain", () => {});
+    return;
+  }
+
   beforeEach(() => {
     jest.resetModules();
     ReactFeatureFlags = require('shared/ReactFeatureFlags');
@@ -16,7 +21,7 @@ describe('ReactSuspenseList', () => {
     ReactNoop = require('react-noop-renderer');
     Scheduler = require('scheduler');
     Suspense = React.Suspense;
-    SuspenseList = React.unstable_SuspenseList;
+    SuspenseList = React.SuspenseList;
   });
 
   function Text(props) {

packages/react-reconciler/src/__tests__/ReactSuspenseWithNoopRenderer-test.internal.js

@@ -10,6 +10,11 @@ let TextResource;
 let textResourceShouldFail;
 
 describe('ReactSuspenseWithNoopRenderer', () => {
+  if (!__EXPERIMENTAL__) {
+    it("empty test so Jest doesn't complain", () => {});
+    return;
+  }
+
   beforeEach(() => {
     jest.resetModules();
     ReactFeatureFlags = require('shared/ReactFeatureFlags');

packages/react/index.fb.js

@@ -0,0 +1,14 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+'use strict';
+
+const ReactFB = require('./src/ReactFB');
+
+// TODO: decide on the top-level export form.
+// This is hacky but makes it work with both Rollup and Jest.
+module.exports = ReactFB.default || ReactFB;

packages/react/src/React.js

@@ -96,7 +96,6 @@ const React = {
   Profiler: REACT_PROFILER_TYPE,
   StrictMode: REACT_STRICT_MODE_TYPE,
   Suspense: REACT_SUSPENSE_TYPE,
-  unstable_SuspenseList: REACT_SUSPENSE_LIST_TYPE,
 
   createElement: __DEV__ ? createElementWithValidation : createElement,
   cloneElement: __DEV__ ? cloneElementWithValidation : cloneElement,
@@ -105,14 +104,14 @@ const React = {
 
   version: ReactVersion,
 
-  unstable_withSuspenseConfig: withSuspenseConfig,
-
   __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: ReactSharedInternals,
 };
 
 if (exposeConcurrentModeAPIs) {
   React.useTransition = useTransition;
   React.useDeferredValue = useDeferredValue;
+  React.SuspenseList = REACT_SUSPENSE_LIST_TYPE;
+  React.unstable_withSuspenseConfig = withSuspenseConfig;
 }
 
 if (enableFlareAPI) {

packages/react/src/ReactFB.js

@@ -0,0 +1,15 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
+ */
+
+import React from './React';
+
+// TODO: Temporary alias until we update the callers downstream.
+React.unstable_SuspenseList = React.SuspenseList;
+
+export default React;

packages/react/src/__tests__/ReactDOMTracing-test.internal.js

@@ -523,7 +523,7 @@ describe('ReactDOMTracing', () => {
       });
 
       it('should properly trace interactions through a multi-pass SuspenseList render', () => {
-        const SuspenseList = React.unstable_SuspenseList;
+        const SuspenseList = React.SuspenseList;
         const Suspense = React.Suspense;
         function Text({text}) {
           Scheduler.unstable_yieldValue(text);