put react JSX behind __EXPERIMENTAL__

Author: lunaruan

packages/shared/ReactFeatureFlags.js

@@ -60,7 +60,7 @@ export const enableFundamentalAPI = false;
 export const enableScopeAPI = false;
 
 // New API for JSX transforms to target - https://github.com/reactjs/rfcs/pull/107
-export const enableJSXTransformAPI = false;
+export const enableJSXTransformAPI = __EXPERIMENTAL__;
 
 // We will enforce mocking scheduler with scheduler/unstable_mock at some point. (v17?)
 // Till then, we warn about the missing mock, but still fallback to a legacy mode compatible version

packages/shared/forks/ReactFeatureFlags.native-fb.js

@@ -35,7 +35,7 @@ export const warnAboutDeprecatedLifecycles = true;
 export const enableDeprecatedFlareAPI = false;
 export const enableFundamentalAPI = false;
 export const enableScopeAPI = false;
-export const enableJSXTransformAPI = false;
+export const enableJSXTransformAPI = __EXPERIMENTAL__;
 export const warnAboutUnmockedScheduler = true;
 export const flushSuspenseFallbacksInTests = true;
 export const enableSuspenseCallback = false;

packages/shared/forks/ReactFeatureFlags.native-oss.js

@@ -29,7 +29,7 @@ export const enableSchedulerDebugging = false;
 export const enableDeprecatedFlareAPI = false;
 export const enableFundamentalAPI = false;
 export const enableScopeAPI = false;
-export const enableJSXTransformAPI = false;
+export const enableJSXTransformAPI = __EXPERIMENTAL__;
 export const warnAboutUnmockedScheduler = false;
 export const flushSuspenseFallbacksInTests = true;
 export const enableSuspenseCallback = false;

packages/shared/forks/ReactFeatureFlags.persistent.js

@@ -29,7 +29,7 @@ export const enableSchedulerDebugging = false;
 export const enableDeprecatedFlareAPI = false;
 export const enableFundamentalAPI = false;
 export const enableScopeAPI = false;
-export const enableJSXTransformAPI = false;
+export const enableJSXTransformAPI = __EXPERIMENTAL__;
 export const warnAboutUnmockedScheduler = true;
 export const flushSuspenseFallbacksInTests = true;
 export const enableSuspenseCallback = false;

packages/shared/forks/ReactFeatureFlags.test-renderer.js

@@ -29,7 +29,7 @@ export const enableSchedulerDebugging = false;
 export const enableDeprecatedFlareAPI = false;
 export const enableFundamentalAPI = false;
 export const enableScopeAPI = false;
-export const enableJSXTransformAPI = false;
+export const enableJSXTransformAPI = __EXPERIMENTAL__;
 export const warnAboutUnmockedScheduler = false;
 export const flushSuspenseFallbacksInTests = true;
 export const enableSuspenseCallback = false;

packages/shared/forks/ReactFeatureFlags.testing.js

@@ -29,7 +29,7 @@ export const enableSchedulerDebugging = false;
 export const enableDeprecatedFlareAPI = false;
 export const enableFundamentalAPI = false;
 export const enableScopeAPI = false;
-export const enableJSXTransformAPI = false;
+export const enableJSXTransformAPI = __EXPERIMENTAL__;
 export const warnAboutUnmockedScheduler = false;
 export const flushSuspenseFallbacksInTests = true;
 export const enableSuspenseCallback = false;