Rename react-is SuspenseList exports to have unstable_ prefix

Author: Brian Vaughn

packages/react-is/index.experimental.js

@@ -23,7 +23,7 @@ export {
   Profiler,
   StrictMode,
   Suspense,
-  SuspenseList,
+  unstable_SuspenseList,
   isAsyncMode,
   isConcurrentMode,
   isContextConsumer,
@@ -37,5 +37,5 @@ export {
   isProfiler,
   isStrictMode,
   isSuspense,
-  isSuspenseList,
+  unstable_isSuspenseList,
 } from './src/ReactIs';

packages/react-is/src/ReactIs.js

@@ -72,7 +72,7 @@ export const Portal = REACT_PORTAL_TYPE;
 export const Profiler = REACT_PROFILER_TYPE;
 export const StrictMode = REACT_STRICT_MODE_TYPE;
 export const Suspense = REACT_SUSPENSE_TYPE;
-export const SuspenseList = REACT_SUSPENSE_LIST_TYPE;
+export const unstable_SuspenseList = REACT_SUSPENSE_LIST_TYPE;
 
 export {isValidElementType};
 
@@ -143,6 +143,6 @@ export function isStrictMode(object: any) {
 export function isSuspense(object: any) {
   return typeOf(object) === REACT_SUSPENSE_TYPE;
 }
-export function isSuspenseList(object: any) {
+export function unstable_isSuspenseList(object: any) {
   return typeOf(object) === REACT_SUSPENSE_LIST_TYPE;
 }

packages/react-is/src/__tests__/ReactIs-test.js

@@ -190,12 +190,18 @@ describe('ReactIs', () => {
   it('should identify suspense list', () => {
     expect(ReactIs.isValidElementType(React.unstable_SuspenseList)).toBe(true);
     expect(ReactIs.typeOf(<React.unstable_SuspenseList />)).toBe(
-      ReactIs.SuspenseList,
+      ReactIs.unstable_SuspenseList,
     );
-    expect(ReactIs.isSuspenseList(<React.unstable_SuspenseList />)).toBe(true);
-    expect(ReactIs.isSuspenseList({type: ReactIs.SuspenseList})).toBe(false);
-    expect(ReactIs.isSuspenseList('React.SuspenseList')).toBe(false);
-    expect(ReactIs.isSuspenseList(<div />)).toBe(false);
+    expect(
+      ReactIs.unstable_isSuspenseList(<React.unstable_SuspenseList />),
+    ).toBe(true);
+    expect(
+      ReactIs.unstable_isSuspenseList({type: ReactIs.unstable_SuspenseList}),
+    ).toBe(false);
+    expect(ReactIs.unstable_isSuspenseList('React.unstable_SuspenseList')).toBe(
+      false,
+    );
+    expect(ReactIs.unstable_isSuspenseList(<div />)).toBe(false);
   });
 
   it('should identify profile root', () => {