react/packages/shared/forks/ReactFeatureFlags.www-dynamic.js
Andrew Clark c9d9f524d7
Make enableCustomElementPropertySupport a dynamic flag in www build (#26194)
Turns enableCustomElementPropertySupport into a dynamic flag in the www
build so we can turn it on behind a GK.
2023-02-17 15:45:03 -05:00

61 lines
2.8 KiB
JavaScript

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow strict
*/
// In www, these flags are controlled by GKs. Because most GKs have some
// population running in either mode, we should run our tests that way, too,
//
// Use __VARIANT__ to simulate a GK. The tests will be run twice: once
// with the __VARIANT__ set to `true`, and once set to `false`.
export const disableInputAttributeSyncing = __VARIANT__;
export const enableFilterEmptyStringAttributesDOM = __VARIANT__;
export const enableLegacyFBSupport = __VARIANT__;
export const skipUnmountedBoundaries = __VARIANT__;
export const enableUseRefAccessWarning = __VARIANT__;
export const enableProfilerNestedUpdateScheduledHook = __VARIANT__;
export const disableSchedulerTimeoutInWorkLoop = __VARIANT__;
export const enableLazyContextPropagation = __VARIANT__;
export const enableSyncDefaultUpdates = __VARIANT__;
export const enableUnifiedSyncLane = __VARIANT__;
export const enableCapturePhaseSelectiveHydrationWithoutDiscreteEventReplay =
__VARIANT__;
export const enableTransitionTracing = __VARIANT__;
export const enableCustomElementPropertySupport = __VARIANT__;
// Enable this flag to help with concurrent mode debugging.
// It logs information to the console about React scheduling, rendering, and commit phases.
//
// NOTE: This feature will only work in DEV mode; all callsites are wrapped with __DEV__.
export const enableDebugTracing = __EXPERIMENTAL__;
export const enableSchedulingProfiler = __VARIANT__;
// This only has an effect in the new reconciler. But also, the new reconciler
// is only enabled when __VARIANT__ is true. So this is set to the opposite of
// __VARIANT__ so that it's `false` when running against the new reconciler.
// Ideally we would test both against the new reconciler, but until then, we
// should test the value that is used in www. Which is `false`.
//
// Once Lanes has landed in both reconciler forks, we'll get coverage of
// both branches.
export const deferRenderPhaseUpdateToNextBatch = !__VARIANT__;
// These are already tested in both modes using the build type dimension,
// so we don't need to use __VARIANT__ to get extra coverage.
export const replayFailedUnitOfWorkWithInvokeGuardedCallback = __DEV__;
// TODO: These flags are hard-coded to the default values used in open source.
// Update the tests so that they pass in either mode, then set these
// to __VARIANT__.
export const enableTrustedTypesIntegration = false;
export const disableSchedulerTimeoutBasedOnReactExpirationTime = false;
export const disableNativeComponentFrames = false;
// You probably *don't* want to add more hardcoded ones.
// Instead, try to add them above with the __VARIANT__ value.