Invert so the one with the warning is the default one

To make Seb happy

Author: acdlite

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

@@ -24,7 +24,7 @@ import {
   batchedUpdates,
   discreteUpdates,
   flushSync,
-  flushSyncWithWarningIfAlreadyRendering,
+  flushSyncWithoutWarningIfAlreadyRendering,
   flushControlled,
   injectIntoDevTools,
   attemptSynchronousHydration,
@@ -97,7 +97,11 @@ if (__DEV__) {
 }
 
 setRestoreImplementation(restoreControlledState);
-setBatchingImplementation(batchedUpdates, discreteUpdates, flushSync);
+setBatchingImplementation(
+  batchedUpdates,
+  discreteUpdates,
+  flushSyncWithoutWarningIfAlreadyRendering,
+);
 
 function createPortal(
   children: ReactNodeList,
@@ -162,7 +166,7 @@ const Internals = {
 export {
   createPortal,
   batchedUpdates as unstable_batchedUpdates,
-  flushSyncWithWarningIfAlreadyRendering as flushSync,
+  flushSync,
   Internals as __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED,
   ReactVersion as version,
   // Disabled behind disableLegacyReactDOMAPIs

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

@@ -916,7 +916,7 @@ function createReactNoop(reconciler: Function, useMutation: boolean) {
     },
 
     flushSync(fn: () => mixed) {
-      NoopRenderer.flushSyncWithWarningIfAlreadyRendering(fn);
+      NoopRenderer.flushSync(fn);
     },
 
     flushPassiveEffects: NoopRenderer.flushPassiveEffects,

packages/react-reconciler/src/ReactFiberReconciler.js

@@ -23,7 +23,7 @@ import {
   discreteUpdates as discreteUpdates_old,
   flushControlled as flushControlled_old,
   flushSync as flushSync_old,
-  flushSyncWithWarningIfAlreadyRendering as flushSyncWithWarningIfAlreadyRendering_old,
+  flushSyncWithoutWarningIfAlreadyRendering as flushSyncWithoutWarningIfAlreadyRendering_old,
   flushPassiveEffects as flushPassiveEffects_old,
   getPublicRootInstance as getPublicRootInstance_old,
   attemptSynchronousHydration as attemptSynchronousHydration_old,
@@ -61,7 +61,7 @@ import {
   discreteUpdates as discreteUpdates_new,
   flushControlled as flushControlled_new,
   flushSync as flushSync_new,
-  flushSyncWithWarningIfAlreadyRendering as flushSyncWithWarningIfAlreadyRendering_new,
+  flushSyncWithoutWarningIfAlreadyRendering as flushSyncWithoutWarningIfAlreadyRendering_new,
   flushPassiveEffects as flushPassiveEffects_new,
   getPublicRootInstance as getPublicRootInstance_new,
   attemptSynchronousHydration as attemptSynchronousHydration_new,
@@ -112,9 +112,9 @@ export const flushControlled = enableNewReconciler
   ? flushControlled_new
   : flushControlled_old;
 export const flushSync = enableNewReconciler ? flushSync_new : flushSync_old;
-export const flushSyncWithWarningIfAlreadyRendering = enableNewReconciler
-  ? flushSyncWithWarningIfAlreadyRendering_new
-  : flushSyncWithWarningIfAlreadyRendering_old;
+export const flushSyncWithoutWarningIfAlreadyRendering = enableNewReconciler
+  ? flushSyncWithoutWarningIfAlreadyRendering_new
+  : flushSyncWithoutWarningIfAlreadyRendering_old;
 export const flushPassiveEffects = enableNewReconciler
   ? flushPassiveEffects_new
   : flushPassiveEffects_old;

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

@@ -57,7 +57,7 @@ import {
   flushControlled,
   deferredUpdates,
   discreteUpdates,
-  flushSyncWithWarningIfAlreadyRendering,
+  flushSyncWithoutWarningIfAlreadyRendering,
   flushPassiveEffects,
 } from './ReactFiberWorkLoop.new';
 import {
@@ -332,7 +332,7 @@ export {
   discreteUpdates,
   flushControlled,
   flushSync,
-  flushSyncWithWarningIfAlreadyRendering,
+  flushSyncWithoutWarningIfAlreadyRendering,
   flushPassiveEffects,
 };
 

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

@@ -1114,7 +1114,10 @@ export function unbatchedUpdates<A, R>(fn: (a: A) => R, a: A): R {
   }
 }
 
-export function flushSync<A, R>(fn: A => R, a: A): R {
+export function flushSyncWithoutWarningIfAlreadyRendering<A, R>(
+  fn: A => R,
+  a: A,
+): R {
   const prevExecutionContext = executionContext;
   executionContext |= BatchedContext;
 
@@ -1141,10 +1144,7 @@ export function flushSync<A, R>(fn: A => R, a: A): R {
   }
 }
 
-export function flushSyncWithWarningIfAlreadyRendering<A, R>(
-  fn: A => R,
-  a: A,
-): R {
+export function flushSync<A, R>(fn: A => R, a: A): R {
   if (__DEV__) {
     if ((executionContext & (RenderContext | CommitContext)) !== NoContext) {
       console.error(
@@ -1154,7 +1154,7 @@ export function flushSyncWithWarningIfAlreadyRendering<A, R>(
       );
     }
   }
-  return flushSync(fn, a);
+  return flushSyncWithoutWarningIfAlreadyRendering(fn, a);
 }
 
 export function flushControlled(fn: () => mixed): void {

packages/react-test-renderer/src/ReactTestRenderer.js

@@ -18,7 +18,7 @@ import {
   getPublicRootInstance,
   createContainer,
   updateContainer,
-  flushSyncWithWarningIfAlreadyRendering,
+  flushSync,
   injectIntoDevTools,
   batchedUpdates,
 } from 'react-reconciler/src/ReactFiberReconciler';
@@ -543,7 +543,7 @@ function create(element: React$Element<any>, options: TestRendererOptions) {
     },
 
     unstable_flushSync<T>(fn: () => T): T {
-      return flushSyncWithWarningIfAlreadyRendering(fn);
+      return flushSync(fn);
     },
   };