isPreparingViewTransition -> hasPendingCommitEffects

We already had an equivalent helper that we already used in root scheduler.

Author: sebmarkbage

packages/react-reconciler/src/ReactFiberRootScheduler.js

@@ -48,7 +48,6 @@ import {
   hasPendingCommitEffects,
   isWorkLoopSuspendedOnData,
   performWorkOnRoot,
-  isPreparingViewTransition,
 } from './ReactFiberWorkLoop';
 import {LegacyRoot} from './ReactRootTags';
 import {
@@ -314,7 +313,7 @@ function processRootScheduleInMicrotask() {
   // If we're in the middle of a View Transition async sequence, we don't want to
   // interrupt that sequence. Instead, we'll flush any remaining work when it
   // completes.
-  if (!isPreparingViewTransition()) {
+  if (!hasPendingCommitEffects()) {
     flushSyncWorkAcrossRoots_impl(syncTransitionLanes, false);
   }
 }

packages/react-reconciler/src/ReactFiberWorkLoop.js

@@ -677,10 +677,6 @@ let pendingTransitionTypes: null | TransitionTypes = null;
 let pendingDidIncludeRenderPhaseUpdate: boolean = false;
 let pendingSuspendedCommitReason: SuspendedCommitReason = IMMEDIATE_COMMIT; // Profiling-only
 
-export function isPreparingViewTransition(): boolean {
-  return enableViewTransition && pendingViewTransition !== null;
-}
-
 // Use these to prevent an infinite loop of nested updates
 const NESTED_UPDATE_LIMIT = 50;
 let nestedUpdateCount: number = 0;