react/packages/shared/forks/ReactFeatureFlags.www.js

102 lines
3.6 KiB
JavaScript

/**
* 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.
*
* @flow
*/
import typeof * as FeatureFlagsType from 'shared/ReactFeatureFlags';
import typeof * as ExportsType from './ReactFeatureFlags.www';
import typeof * as DynamicFeatureFlags from './ReactFeatureFlags.www-dynamic';
// Re-export dynamic flags from the www version.
const dynamicFeatureFlags: DynamicFeatureFlags = require('ReactFeatureFlags');
export const {
disableInputAttributeSyncing,
enableTrustedTypesIntegration,
disableSchedulerTimeoutBasedOnReactExpirationTime,
warnAboutSpreadingKeyToJSX,
replayFailedUnitOfWorkWithInvokeGuardedCallback,
enableFilterEmptyStringAttributesDOM,
enableLegacyFBSupport,
deferRenderPhaseUpdateToNextBatch,
enableDebugTracing,
skipUnmountedBoundaries,
createRootStrictEffectsByDefault,
enableSuspenseLayoutEffectSemantics,
enableUseRefAccessWarning,
disableNativeComponentFrames,
disableSchedulerTimeoutInWorkLoop,
enableLazyContextPropagation,
enableSyncDefaultUpdates,
} = dynamicFeatureFlags;
// On WWW, __EXPERIMENTAL__ is used for a new modern build.
// It's not used anywhere in production yet.
export const enableStrictEffects =
__DEV__ && dynamicFeatureFlags.enableStrictEffects;
export const debugRenderPhaseSideEffectsForStrictMode = __DEV__;
export const enableProfilerTimer = __PROFILE__;
export const enableProfilerCommitHooks = __PROFILE__;
export const enableProfilerNestedUpdatePhase = __PROFILE__;
export const enableProfilerNestedUpdateScheduledHook =
__PROFILE__ && dynamicFeatureFlags.enableProfilerNestedUpdateScheduledHook;
export const enableUpdaterTracking = __PROFILE__;
// Logs additional User Timing API marks for use with an experimental profiling tool.
export const enableSchedulingProfiler =
__PROFILE__ && dynamicFeatureFlags.enableSchedulingProfiler;
// Note: we'll want to remove this when we to userland implementation.
// For now, we'll turn it on for everyone because it's *already* on for everyone in practice.
// At least this will let us stop shipping <Profiler> implementation to all users.
export const enableSchedulerDebugging = true;
export const warnAboutDeprecatedLifecycles = true;
export const disableLegacyContext = __EXPERIMENTAL__;
export const warnAboutStringRefs = false;
export const warnAboutDefaultPropsOnFunctionComponents = false;
export const enableSuspenseServerRenderer = true;
export const enableSelectiveHydration = true;
export const enableLazyElements = true;
export const enableCache = true;
export const disableJavaScriptURLs = true;
export const disableModulePatternComponents = true;
export const enableCreateEventHandleAPI = true;
export const enableScopeAPI = true;
export const enableSuspenseCallback = true;
export const enableComponentStackLocations = true;
export const disableTextareaChildren = __EXPERIMENTAL__;
export const warnUnstableRenderSubtreeIntoContainer = false;
// Enable forked reconciler. Piggy-backing on the "variant" global so that we
// don't have to add another test dimension. The build system will compile this
// to the correct value.
export const enableNewReconciler = __VARIANT__;
export const enableRecursiveCommitTraversal = false;
export const allowConcurrentByDefault = true;
export const deletedTreeCleanUpLevel = 3;
// Flow magic to verify the exports of this file match the original version.
// eslint-disable-next-line no-unused-vars
type Check<_X, Y: _X, X: Y = _X> = null;
// eslint-disable-next-line no-unused-expressions
(null: Check<ExportsType, FeatureFlagsType>);