mirror of
https://github.com/facebook/react.git
synced 2025-11-01 09:12:30 +00:00
Benoit Girard
25bfa287f6
* Add feature flag: enableStrongMemoryCleanup Add a feature flag that will test doing a recursive clean of an unmount node. This will disconnect the fiber graph making leaks less severe. * Detach sibling pointers in old child list When a fiber is deleted, it's still part of the previous (alternate) parent fiber's list of children. Because children are a linked list, an earlier sibling that's still alive will be connected to the deleted fiber via its alternate: live fiber --alternate--> previous live fiber --sibling--> deleted fiber We can't disconnect `alternate` on nodes that haven't been deleted yet, but we can disconnect the `sibling` and `child` pointers. Will use this feature flag to test the memory impact. * Combine into single enum flag I combined `enableStrongMemoryCleanup` and `enableDetachOldChildList` into a single enum flag. The flag has three possible values. Each level is a superset of the previous one and performs more aggressive clean up. We will use this to compare the memory impact of each level. * Add Flow type to new host config method * Re-use existing recursive clean up path We already have a recursive loop that visits every deleted fiber. We can re-use that one for clean up instead of adding another one. Co-authored-by: Andrew Clark <git@andrewclark.io>
67 lines
2.8 KiB
JavaScript
67 lines
2.8 KiB
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow
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*/
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import typeof * as FeatureFlagsType from 'shared/ReactFeatureFlags';
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import typeof * as ExportsType from './ReactFeatureFlags.testing';
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export const debugRenderPhaseSideEffectsForStrictMode = false;
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export const enableDebugTracing = false;
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export const enableSchedulingProfiler = false;
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export const warnAboutDeprecatedLifecycles = true;
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export const replayFailedUnitOfWorkWithInvokeGuardedCallback = false;
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export const enableProfilerTimer = __PROFILE__;
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export const enableProfilerCommitHooks = false;
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export const enableProfilerNestedUpdatePhase = false;
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export const enableProfilerNestedUpdateScheduledHook = false;
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export const enableSchedulerTracing = __PROFILE__;
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export const enableSuspenseServerRenderer = false;
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export const enableSelectiveHydration = false;
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export const enableLazyElements = false;
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export const enableCache = false;
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export const disableJavaScriptURLs = false;
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export const disableInputAttributeSyncing = false;
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export const enableSchedulerDebugging = false;
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export const enableScopeAPI = false;
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export const enableCreateEventHandleAPI = false;
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export const warnAboutUnmockedScheduler = false;
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export const enableSuspenseCallback = false;
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export const warnAboutDefaultPropsOnFunctionComponents = false;
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export const warnAboutStringRefs = false;
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export const disableLegacyContext = false;
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export const disableSchedulerTimeoutBasedOnReactExpirationTime = false;
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export const enableTrustedTypesIntegration = false;
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export const disableTextareaChildren = false;
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export const disableModulePatternComponents = false;
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export const warnUnstableRenderSubtreeIntoContainer = false;
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export const warnAboutSpreadingKeyToJSX = false;
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export const enableComponentStackLocations = true;
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export const enableLegacyFBSupport = false;
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export const enableFilterEmptyStringAttributesDOM = false;
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export const disableNativeComponentFrames = false;
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export const skipUnmountedBoundaries = false;
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export const deletedTreeCleanUpLevel = 1;
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export const enableNewReconciler = false;
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export const deferRenderPhaseUpdateToNextBatch = true;
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export const enableDiscreteEventFlushingChange = false;
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export const enableStrictEffects = false;
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export const createRootStrictEffectsByDefault = false;
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export const enableUseRefAccessWarning = false;
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export const enableRecursiveCommitTraversal = false;
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export const disableSchedulerTimeoutInWorkLoop = false;
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export const enableLazyContextPropagation = false;
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// Flow magic to verify the exports of this file match the original version.
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// eslint-disable-next-line no-unused-vars
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type Check<_X, Y: _X, X: Y = _X> = null;
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// eslint-disable-next-line no-unused-expressions
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(null: Check<ExportsType, FeatureFlagsType>);
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