Enable stable concurrent APIs flag for 16.7 alpha (facebook#13928)

* Add enableStableConcurrentModeAPIs feature flag

* Conditionally name concurrent API based on enableStableConcurrentModeAPIs flag

Author: bvaughn

packages/react-dom/src/client/ReactDOM.js

@@ -34,6 +34,7 @@ import getComponentName from 'shared/getComponentName';
 import invariant from 'shared/invariant';
 import lowPriorityWarning from 'shared/lowPriorityWarning';
 import warningWithoutStack from 'shared/warningWithoutStack';
+import {enableStableConcurrentModeAPIs} from 'shared/ReactFeatureFlags';
 
 import * as ReactDOMComponentTree from './ReactDOMComponentTree';
 import {restoreControlledState} from './ReactDOMComponent';
@@ -770,17 +771,20 @@ type RootOptions = {
   hydrate?: boolean,
 };
 
-ReactDOM.unstable_createRoot = function createRoot(
-  container: DOMContainer,
-  options?: RootOptions,
-): ReactRoot {
+function createRoot(container: DOMContainer, options?: RootOptions): ReactRoot {
   invariant(
     isValidContainer(container),
     'unstable_createRoot(...): Target container is not a DOM element.',
   );
   const hydrate = options != null && options.hydrate === true;
   return new ReactRoot(container, true, hydrate);
-};
+}
+
+if (enableStableConcurrentModeAPIs) {
+  ReactDOM.createRoot = createRoot;
+} else {
+  ReactDOM.unstable_createRoot = createRoot;
+}
 
 const foundDevTools = DOMRenderer.injectIntoDevTools({
   findFiberByHostInstance: ReactDOMComponentTree.getClosestInstanceFromNode,

packages/react/src/React.js

@@ -33,6 +33,7 @@ import {
   cloneElementWithValidation,
 } from './ReactElementValidator';
 import ReactSharedInternals from './ReactSharedInternals';
+import {enableStableConcurrentModeAPIs} from 'shared/ReactFeatureFlags';
 
 const React = {
   Children: {
@@ -54,9 +55,7 @@ const React = {
 
   Fragment: REACT_FRAGMENT_TYPE,
   StrictMode: REACT_STRICT_MODE_TYPE,
-  unstable_ConcurrentMode: REACT_CONCURRENT_MODE_TYPE,
   Suspense: REACT_SUSPENSE_TYPE,
-  unstable_Profiler: REACT_PROFILER_TYPE,
 
   createElement: __DEV__ ? createElementWithValidation : createElement,
   cloneElement: __DEV__ ? cloneElementWithValidation : cloneElement,
@@ -68,4 +67,12 @@ const React = {
   __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: ReactSharedInternals,
 };
 
+if (enableStableConcurrentModeAPIs) {
+  React.ConcurrentMode = REACT_CONCURRENT_MODE_TYPE;
+  React.Profiler = REACT_PROFILER_TYPE;
+} else {
+  React.unstable_ConcurrentMode = REACT_CONCURRENT_MODE_TYPE;
+  React.unstable_Profiler = REACT_PROFILER_TYPE;
+}
+
 export default React;

packages/shared/ReactFeatureFlags.js

@@ -42,3 +42,7 @@ export function addUserTimingListener() {
 // React Fire: prevent the value and checked attributes from syncing
 // with their related DOM properties
 export const disableInputAttributeSyncing = false;
+
+// These APIs will no longer be "unstable" in the upcoming 16.7 release,
+// Control this behavior with a flag to support 16.6 minor releases in the meanwhile.
+export const enableStableConcurrentModeAPIs = false;

packages/shared/forks/ReactFeatureFlags.native-fabric-fb.js

@@ -21,6 +21,7 @@ export const enableProfilerTimer = __PROFILE__;
 export const enableSchedulerTracing = __PROFILE__;
 export const enableSuspenseServerRenderer = false;
 export const disableInputAttributeSyncing = false;
+export const enableStableConcurrentModeAPIs = false;
 
 // Only used in www builds.
 export function addUserTimingListener() {

packages/shared/forks/ReactFeatureFlags.native-fabric-oss.js

@@ -21,6 +21,7 @@ export const enableProfilerTimer = __PROFILE__;
 export const enableSchedulerTracing = __PROFILE__;
 export const enableSuspenseServerRenderer = false;
 export const disableInputAttributeSyncing = false;
+export const enableStableConcurrentModeAPIs = false;
 
 // Only used in www builds.
 export function addUserTimingListener() {

packages/shared/forks/ReactFeatureFlags.native-fb.js

@@ -26,6 +26,7 @@ export const enableUserTimingAPI = __DEV__;
 export const enableProfilerTimer = __PROFILE__;
 export const enableSchedulerTracing = __PROFILE__;
 export const enableSuspenseServerRenderer = false;
+export const enableStableConcurrentModeAPIs = false;
 
 // Only used in www builds.
 export function addUserTimingListener() {

packages/shared/forks/ReactFeatureFlags.native-oss.js

@@ -21,6 +21,7 @@ export const enableProfilerTimer = __PROFILE__;
 export const enableSchedulerTracing = __PROFILE__;
 export const enableSuspenseServerRenderer = false;
 export const disableInputAttributeSyncing = false;
+export const enableStableConcurrentModeAPIs = false;
 
 // Only used in www builds.
 export function addUserTimingListener() {

packages/shared/forks/ReactFeatureFlags.persistent.js

@@ -21,6 +21,7 @@ export const enableProfilerTimer = __PROFILE__;
 export const enableSchedulerTracing = __PROFILE__;
 export const enableSuspenseServerRenderer = false;
 export const disableInputAttributeSyncing = false;
+export const enableStableConcurrentModeAPIs = false;
 
 // Only used in www builds.
 export function addUserTimingListener() {

packages/shared/forks/ReactFeatureFlags.test-renderer.js

@@ -21,6 +21,7 @@ export const enableProfilerTimer = false;
 export const enableSchedulerTracing = false;
 export const enableSuspenseServerRenderer = false;
 export const disableInputAttributeSyncing = false;
+export const enableStableConcurrentModeAPIs = false;
 
 // Only used in www builds.
 export function addUserTimingListener() {

packages/shared/forks/ReactFeatureFlags.test-renderer.www.js

@@ -20,6 +20,7 @@ export const replayFailedUnitOfWorkWithInvokeGuardedCallback = false;
 export const enableProfilerTimer = false;
 export const enableSchedulerTracing = false;
 export const enableSuspenseServerRenderer = false;
+export const enableStableConcurrentModeAPIs = false;
 
 // Only used in www builds.
 export function addUserTimingListener() {

packages/shared/forks/ReactFeatureFlags.www.js

@@ -31,6 +31,8 @@ export let enableUserTimingAPI = __DEV__;
 export const enableProfilerTimer = __PROFILE__;
 export const enableSchedulerTracing = __PROFILE__;
 
+export const enableStableConcurrentModeAPIs = false;
+
 let refCount = 0;
 export function addUserTimingListener() {
   if (__DEV__) {