derp... missing import

Author: salazarm

packages/react-client/src/ReactServerContext.js

@@ -24,7 +24,10 @@ import {enableServerContext} from 'shared/ReactFeatureFlags';
 const globalServerContextRegistry =
   ReactSharedInternals.globalServerContextRegistry;
 
-const DEFAULT_PLACEHOLDER = globalServerContextRegistry.__defaultValue;
+let DEFAULT_PLACEHOLDER;
+if (enableServerContext) {
+  DEFAULT_PLACEHOLDER = globalServerContextRegistry.__defaultValue;
+}
 
 export function createServerContext<T: ServerContextJSONValue>(
   globalName: string,

packages/react-server/src/ReactServerContext.js

@@ -24,7 +24,10 @@ import {enableServerContext} from 'shared/ReactFeatureFlags';
 const globalServerContextRegistry =
   ReactSharedInternals.globalServerContextRegistry;
 
-const DEFAULT_PLACEHOLDER = globalServerContextRegistry.__defaultValue;
+let DEFAULT_PLACEHOLDER;
+if (enableServerContext) {
+  DEFAULT_PLACEHOLDER = globalServerContextRegistry.__defaultValue;
+}
 
 export function createServerContext<T: ServerContextJSONValue>(
   globalName: string,

packages/react/src/ReactServerContext.js

@@ -24,7 +24,10 @@ import {enableServerContext} from 'shared/ReactFeatureFlags';
 const globalServerContextRegistry =
   ReactSharedInternals.globalServerContextRegistry;
 
-const DEFAULT_PLACEHOLDER = globalServerContextRegistry.__defaultValue;
+let DEFAULT_PLACEHOLDER;
+if (enableServerContext) {
+  DEFAULT_PLACEHOLDER = globalServerContextRegistry.__defaultValue;
+}
 
 export function createServerContext<T: ServerContextJSONValue>(
   globalName: string,

packages/react/src/forks/ReactSharedInternals.umd.js

@@ -12,6 +12,8 @@ import ReactCurrentActQueue from '../ReactCurrentActQueue';
 import ReactCurrentOwner from '../ReactCurrentOwner';
 import ReactDebugCurrentFrame from '../ReactDebugCurrentFrame';
 import ReactCurrentBatchConfig from '../ReactCurrentBatchConfig';
+import {enableServerContext} from 'shared/ReactFeatureFlags';
+import {globalServerContextRegistry} from '../ReactServerContextRegistry';
 
 const ReactSharedInternals = {
   ReactCurrentDispatcher,
@@ -33,4 +35,8 @@ if (__DEV__) {
   ReactSharedInternals.ReactDebugCurrentFrame = ReactDebugCurrentFrame;
 }
 
+if (enableServerContext) {
+  ReactSharedInternals.globalServerContextRegistry = globalServerContextRegistry;
+}
+
 export default ReactSharedInternals;