Create separate SchedulerFeatureFlags instead of using ReactFeatureFlags (#14455)

Author: acdlite

packages/scheduler/forks/SchedulerFeatureFlags.www.js

@@ -0,0 +1,9 @@
+/**
+ * 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.
+ *
+ */
+
+exportconstenableSchedulerDebugging=true;

packages/scheduler/src/Scheduler.js

@@ -8,7 +8,7 @@
 
 /* eslint-disable no-var */
 
-import{enableSchedulerDebugging}from'shared/ReactFeatureFlags';
+import{enableSchedulerDebugging}from'./SchedulerFeatureFlags';
 
 // TODO: Use symbols?
 varImmediatePriority=1;

packages/scheduler/src/SchedulerFeatureFlags.js

@@ -0,0 +1,9 @@
+/**
+ * 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.
+ *
+ */
+
+exportconstenableSchedulerDebugging=false;

scripts/rollup/forks.js

@@ -157,6 +157,18 @@ const forks = Object.freeze({
 }
 },
 
+'scheduler/src/SchedulerFeatureFlags': (bundleType,entry,dependencies)=>{
+if(
+entry==='scheduler'&&
+(bundleType===FB_WWW_DEV||
+bundleType===FB_WWW_PROD||
+bundleType===FB_WWW_PROFILING)
+){
+return'scheduler/forks/SchedulerFeatureFlags.www.js';
+}
+return'scheduler/src/SchedulerFeatureFlags';
+},
+
 // This logic is forked on www to fork the formatting function.
 'shared/invariant': (bundleType,entry)=>{
 switch(bundleType){