Remove Reconciler fork infra

.eslintrc.js

@@ -112,14 +112,6 @@ module.exports = {
     'react-internal/no-to-warn-dev-within-to-throw': ERROR,
     'react-internal/warning-args': ERROR,
     'react-internal/no-production-logging': ERROR,
-    'react-internal/no-cross-fork-imports': ERROR,
-    'react-internal/no-cross-fork-types': [
-      ERROR,
-      {
-        old: [],
-        new: [],
-      },
-    ],
   },
 
   overrides: [

packages/react-dom/index.classic.fb.js

@@ -30,7 +30,6 @@ export {
   unstable_batchedUpdates,
   unstable_createEventHandle,
   unstable_flushControlled,
-  unstable_isNewReconciler,
   unstable_renderSubtreeIntoContainer,
   unstable_runWithPriority, // DO NOT USE: Temporarily exposed to migrate off of Scheduler.runWithPriority.
   preinit,

packages/react-dom/index.js

@@ -22,7 +22,6 @@ export {
   unstable_batchedUpdates,
   unstable_createEventHandle,
   unstable_flushControlled,
-  unstable_isNewReconciler,
   unstable_renderSubtreeIntoContainer,
   unstable_runWithPriority, // DO NOT USE: Temporarily exposed to migrate off of Scheduler.runWithPriority.
   preinit,

packages/react-dom/index.modern.fb.js

@@ -16,7 +16,6 @@ export {
   unstable_batchedUpdates,
   unstable_createEventHandle,
   unstable_flushControlled,
-  unstable_isNewReconciler,
   unstable_runWithPriority, // DO NOT USE: Temporarily exposed to migrate off of Scheduler.runWithPriority.
   preinit,
   preload,

packages/react-dom/src/__tests__/react-dom-server-rendering-stub-test.js

@@ -36,7 +36,6 @@ describe('react-dom-server-rendering-stub', () => {
     expect(ReactDOM.unstable_batchedUpdates).toBe(undefined);
     expect(ReactDOM.unstable_createEventHandle).toBe(undefined);
     expect(ReactDOM.unstable_flushControlled).toBe(undefined);
-    expect(ReactDOM.unstable_isNewReconciler).toBe(undefined);
     expect(ReactDOM.unstable_renderSubtreeIntoContainer).toBe(undefined);
     expect(ReactDOM.unstable_runWithPriority).toBe(undefined);
   });

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

@@ -51,7 +51,6 @@ import {
 import {createPortal as createPortalImpl} from 'react-reconciler/src/ReactPortal';
 import {canUseDOM} from 'shared/ExecutionEnvironment';
 import ReactVersion from 'shared/ReactVersion';
-import {enableNewReconciler} from 'shared/ReactFeatureFlags';
 
 import {
   getClosestInstanceFromNode,
@@ -256,5 +255,3 @@ if (__DEV__) {
     }
   }
 }
-
-export const unstable_isNewReconciler = enableNewReconciler;

packages/react-noop-renderer/src/createReactNoop.js

@@ -18,7 +18,7 @@ import type {
   Fiber,
   TransitionTracingCallbacks,
 } from 'react-reconciler/src/ReactInternalTypes';
-import type {UpdateQueue} from 'react-reconciler/src/ReactFiberClassUpdateQueue.new';
+import type {UpdateQueue} from 'react-reconciler/src/ReactFiberClassUpdateQueue';
 import type {ReactNodeList} from 'shared/ReactTypes';
 import type {RootTag} from 'react-reconciler/src/ReactRootTags';
 

packages/react-reconciler/src/ReactEventPriorities.js

@@ -7,68 +7,15 @@
  * @flow
  */
 
-import {enableNewReconciler} from 'shared/ReactFeatureFlags';
-
-import {
-  DiscreteEventPriority as DiscreteEventPriority_old,
-  ContinuousEventPriority as ContinuousEventPriority_old,
-  DefaultEventPriority as DefaultEventPriority_old,
-  IdleEventPriority as IdleEventPriority_old,
-  getCurrentUpdatePriority as getCurrentUpdatePriority_old,
-  setCurrentUpdatePriority as setCurrentUpdatePriority_old,
-  runWithPriority as runWithPriority_old,
-  isHigherEventPriority as isHigherEventPriority_old,
+export {
+  DiscreteEventPriority,
+  ContinuousEventPriority,
+  DefaultEventPriority,
+  IdleEventPriority,
+  getCurrentUpdatePriority,
+  setCurrentUpdatePriority,
+  runWithPriority,
+  isHigherEventPriority,
 } from './ReactEventPriorities.old';
 
-import {
-  DiscreteEventPriority as DiscreteEventPriority_new,
-  ContinuousEventPriority as ContinuousEventPriority_new,
-  DefaultEventPriority as DefaultEventPriority_new,
-  IdleEventPriority as IdleEventPriority_new,
-  getCurrentUpdatePriority as getCurrentUpdatePriority_new,
-  setCurrentUpdatePriority as setCurrentUpdatePriority_new,
-  runWithPriority as runWithPriority_new,
-  isHigherEventPriority as isHigherEventPriority_new,
-} from './ReactEventPriorities.new';
-
-export opaque type EventPriority = number;
-
-export const DiscreteEventPriority: EventPriority = enableNewReconciler
-  ? (DiscreteEventPriority_new: any)
-  : (DiscreteEventPriority_old: any);
-export const ContinuousEventPriority: EventPriority = enableNewReconciler
-  ? (ContinuousEventPriority_new: any)
-  : (ContinuousEventPriority_old: any);
-export const DefaultEventPriority: EventPriority = enableNewReconciler
-  ? (DefaultEventPriority_new: any)
-  : (DefaultEventPriority_old: any);
-export const IdleEventPriority: EventPriority = enableNewReconciler
-  ? (IdleEventPriority_new: any)
-  : (IdleEventPriority_old: any);
-
-export function runWithPriority<T>(priority: EventPriority, fn: () => T): T {
-  return enableNewReconciler
-    ? runWithPriority_new((priority: any), fn)
-    : runWithPriority_old((priority: any), fn);
-}
-
-export function getCurrentUpdatePriority(): EventPriority {
-  return enableNewReconciler
-    ? (getCurrentUpdatePriority_new(): any)
-    : (getCurrentUpdatePriority_old(): any);
-}
-
-export function setCurrentUpdatePriority(priority: EventPriority): void {
-  return enableNewReconciler
-    ? setCurrentUpdatePriority_new((priority: any))
-    : setCurrentUpdatePriority_old((priority: any));
-}
-
-export function isHigherEventPriority(
-  a: EventPriority,
-  b: EventPriority,
-): boolean {
-  return enableNewReconciler
-    ? isHigherEventPriority_new((a: any), (b: any))
-    : isHigherEventPriority_old((a: any), (b: any));
-}
+export type {EventPriority} from './ReactEventPriorities.old';

packages/react-reconciler/src/ReactFiberHooks.new.js

@@ -31,7 +31,6 @@ import ReactSharedInternals from 'shared/ReactSharedInternals';
 import {
   enableDebugTracing,
   enableSchedulingProfiler,
-  enableNewReconciler,
   enableCache,
   enableUseRefAccessWarning,
   enableLazyContextPropagation,
@@ -2758,8 +2757,6 @@ export const ContextOnlyDispatcher: Dispatcher = {
   useMutableSource: throwInvalidHookError,
   useSyncExternalStore: throwInvalidHookError,
   useId: throwInvalidHookError,
-
-  unstable_isNewReconciler: enableNewReconciler,
 };
 if (enableCache) {
   (ContextOnlyDispatcher: Dispatcher).useCacheRefresh = throwInvalidHookError;
@@ -2793,8 +2790,6 @@ const HooksDispatcherOnMount: Dispatcher = {
   useMutableSource: mountMutableSource,
   useSyncExternalStore: mountSyncExternalStore,
   useId: mountId,
-
-  unstable_isNewReconciler: enableNewReconciler,
 };
 if (enableCache) {
   // $FlowFixMe[escaped-generic] discovered when updating Flow
@@ -2828,8 +2823,6 @@ const HooksDispatcherOnUpdate: Dispatcher = {
   useMutableSource: updateMutableSource,
   useSyncExternalStore: updateSyncExternalStore,
   useId: updateId,
-
-  unstable_isNewReconciler: enableNewReconciler,
 };
 if (enableCache) {
   (HooksDispatcherOnUpdate: Dispatcher).useCacheRefresh = updateRefresh;
@@ -2863,8 +2856,6 @@ const HooksDispatcherOnRerender: Dispatcher = {
   useMutableSource: updateMutableSource,
   useSyncExternalStore: updateSyncExternalStore,
   useId: updateId,
-
-  unstable_isNewReconciler: enableNewReconciler,
 };
 if (enableCache) {
   (HooksDispatcherOnRerender: Dispatcher).useCacheRefresh = updateRefresh;
@@ -3041,8 +3032,6 @@ if (__DEV__) {
       mountHookTypesDev();
       return mountId();
     },
-
-    unstable_isNewReconciler: enableNewReconciler,
   };
   if (enableCache) {
     (HooksDispatcherOnMountInDEV: Dispatcher).useCacheRefresh = function useCacheRefresh() {
@@ -3198,8 +3187,6 @@ if (__DEV__) {
       updateHookTypesDev();
       return mountId();
     },
-
-    unstable_isNewReconciler: enableNewReconciler,
   };
   if (enableCache) {
     (HooksDispatcherOnMountWithHookTypesInDEV: Dispatcher).useCacheRefresh = function useCacheRefresh() {
@@ -3355,8 +3342,6 @@ if (__DEV__) {
       updateHookTypesDev();
       return updateId();
     },
-
-    unstable_isNewReconciler: enableNewReconciler,
   };
   if (enableCache) {
     (HooksDispatcherOnUpdateInDEV: Dispatcher).useCacheRefresh = function useCacheRefresh() {
@@ -3513,8 +3498,6 @@ if (__DEV__) {
       updateHookTypesDev();
       return updateId();
     },
-
-    unstable_isNewReconciler: enableNewReconciler,
   };
   if (enableCache) {
     (HooksDispatcherOnRerenderInDEV: Dispatcher).useCacheRefresh = function useCacheRefresh() {
@@ -3687,8 +3670,6 @@ if (__DEV__) {
       mountHookTypesDev();
       return mountId();
     },
-
-    unstable_isNewReconciler: enableNewReconciler,
   };
   if (enableCache) {
     (InvalidNestedHooksDispatcherOnMountInDEV: Dispatcher).useCacheRefresh = function useCacheRefresh() {
@@ -3872,8 +3853,6 @@ if (__DEV__) {
       updateHookTypesDev();
       return updateId();
     },
-
-    unstable_isNewReconciler: enableNewReconciler,
   };
   if (enableCache) {
     (InvalidNestedHooksDispatcherOnUpdateInDEV: Dispatcher).useCacheRefresh = function useCacheRefresh() {
@@ -4058,8 +4037,6 @@ if (__DEV__) {
       updateHookTypesDev();
       return updateId();
     },
-
-    unstable_isNewReconciler: enableNewReconciler,
   };
   if (enableCache) {
     (InvalidNestedHooksDispatcherOnRerenderInDEV: Dispatcher).useCacheRefresh = function useCacheRefresh() {

packages/react-reconciler/src/ReactFiberHooks.old.js

@@ -31,7 +31,6 @@ import ReactSharedInternals from 'shared/ReactSharedInternals';
 import {
   enableDebugTracing,
   enableSchedulingProfiler,
-  enableNewReconciler,
   enableCache,
   enableUseRefAccessWarning,
   enableLazyContextPropagation,
@@ -2758,8 +2757,6 @@ export const ContextOnlyDispatcher: Dispatcher = {
   useMutableSource: throwInvalidHookError,
   useSyncExternalStore: throwInvalidHookError,
   useId: throwInvalidHookError,
-
-  unstable_isNewReconciler: enableNewReconciler,
 };
 if (enableCache) {
   (ContextOnlyDispatcher: Dispatcher).useCacheRefresh = throwInvalidHookError;
@@ -2793,8 +2790,6 @@ const HooksDispatcherOnMount: Dispatcher = {
   useMutableSource: mountMutableSource,
   useSyncExternalStore: mountSyncExternalStore,
   useId: mountId,
-
-  unstable_isNewReconciler: enableNewReconciler,
 };
 if (enableCache) {
   // $FlowFixMe[escaped-generic] discovered when updating Flow
@@ -2828,8 +2823,6 @@ const HooksDispatcherOnUpdate: Dispatcher = {
   useMutableSource: updateMutableSource,
   useSyncExternalStore: updateSyncExternalStore,
   useId: updateId,
-
-  unstable_isNewReconciler: enableNewReconciler,
 };
 if (enableCache) {
   (HooksDispatcherOnUpdate: Dispatcher).useCacheRefresh = updateRefresh;
@@ -2863,8 +2856,6 @@ const HooksDispatcherOnRerender: Dispatcher = {
   useMutableSource: updateMutableSource,
   useSyncExternalStore: updateSyncExternalStore,
   useId: updateId,
-
-  unstable_isNewReconciler: enableNewReconciler,
 };
 if (enableCache) {
   (HooksDispatcherOnRerender: Dispatcher).useCacheRefresh = updateRefresh;
@@ -3041,8 +3032,6 @@ if (__DEV__) {
       mountHookTypesDev();
       return mountId();
     },
-
-    unstable_isNewReconciler: enableNewReconciler,
   };
   if (enableCache) {
     (HooksDispatcherOnMountInDEV: Dispatcher).useCacheRefresh = function useCacheRefresh() {
@@ -3198,8 +3187,6 @@ if (__DEV__) {
       updateHookTypesDev();
       return mountId();
     },
-
-    unstable_isNewReconciler: enableNewReconciler,
   };
   if (enableCache) {
     (HooksDispatcherOnMountWithHookTypesInDEV: Dispatcher).useCacheRefresh = function useCacheRefresh() {
@@ -3355,8 +3342,6 @@ if (__DEV__) {
       updateHookTypesDev();
       return updateId();
     },
-
-    unstable_isNewReconciler: enableNewReconciler,
   };
   if (enableCache) {
     (HooksDispatcherOnUpdateInDEV: Dispatcher).useCacheRefresh = function useCacheRefresh() {
@@ -3513,8 +3498,6 @@ if (__DEV__) {
       updateHookTypesDev();
       return updateId();
     },
-
-    unstable_isNewReconciler: enableNewReconciler,
   };
   if (enableCache) {
     (HooksDispatcherOnRerenderInDEV: Dispatcher).useCacheRefresh = function useCacheRefresh() {
@@ -3687,8 +3670,6 @@ if (__DEV__) {
       mountHookTypesDev();
       return mountId();
     },
-
-    unstable_isNewReconciler: enableNewReconciler,
   };
   if (enableCache) {
     (InvalidNestedHooksDispatcherOnMountInDEV: Dispatcher).useCacheRefresh = function useCacheRefresh() {
@@ -3872,8 +3853,6 @@ if (__DEV__) {
       updateHookTypesDev();
       return updateId();
     },
-
-    unstable_isNewReconciler: enableNewReconciler,
   };
   if (enableCache) {
     (InvalidNestedHooksDispatcherOnUpdateInDEV: Dispatcher).useCacheRefresh = function useCacheRefresh() {
@@ -4058,8 +4037,6 @@ if (__DEV__) {
       updateHookTypesDev();
       return updateId();
     },
-
-    unstable_isNewReconciler: enableNewReconciler,
   };
   if (enableCache) {
     (InvalidNestedHooksDispatcherOnRerenderInDEV: Dispatcher).useCacheRefresh = function useCacheRefresh() {

packages/react-reconciler/src/ReactFiberHostContext.js

@@ -8,24 +8,8 @@
  */
 
 import type {Container, HostContext} from './ReactFiberHostConfig';
-import {enableNewReconciler} from 'shared/ReactFeatureFlags';
 
-import {
-  getCurrentRootHostContainer as getCurrentRootHostContainer_old,
-  getHostContext as getHostContext_old,
+export {
+  getCurrentRootHostContainer,
+  getHostContext,
 } from './ReactFiberHostContext.old';
-
-import {
-  getCurrentRootHostContainer as getCurrentRootHostContainer_new,
-  getHostContext as getHostContext_new,
-} from './ReactFiberHostContext.new';
-
-export function getCurrentRootHostContainer(): null | Container {
-  return enableNewReconciler
-    ? getCurrentRootHostContainer_new()
-    : getCurrentRootHostContainer_old();
-}
-
-export function getHostContext(): HostContext {
-  return enableNewReconciler ? getHostContext_new() : getHostContext_old();
-}