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https://github.com/facebook/react.git
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Andrew ClarkandGitHub
06f7b4f43a
Currently, in a React 18 root, `act` only works if you mock the Scheduler package. This was because we didn't want to add additional checks at runtime. But now that the `act` testing API is dev-only, we can simplify its implementation. Now when an update is wrapped with `act`, React will bypass Scheduler entirely and push its tasks onto a special internal queue. Then, when the outermost `act` scope exists, we'll flush that queue. I also removed the "wrong act" warning, because the plan is to move `act` to an isomorphic entry point, simlar to `startTransition`. That's not directly related to this PR, but I didn't want to bother re-implementing that warning only to immediately remove it. I'll add the isomorphic API in a follow up. Note that the internal version of `act` that we use in our own tests still depends on mocking the Scheduler package, because it needs to work in production. I'm planning to move that implementation to a shared (internal) module, too.
68 lines
2.9 KiB
JavaScript
68 lines
2.9 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.www';
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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 = false;
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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 enableUpdaterTracking = false;
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export const enableSuspenseServerRenderer = true;
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export const enableSelectiveHydration = true;
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export const enableLazyElements = false;
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export const enableCache = false;
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export const disableJavaScriptURLs = true;
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export const disableInputAttributeSyncing = false;
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export const enableSchedulerDebugging = false;
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export const enableScopeAPI = true;
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export const enableCreateEventHandleAPI = true;
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export const enableSuspenseCallback = true;
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export const warnAboutDefaultPropsOnFunctionComponents = false;
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export const warnAboutStringRefs = false;
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export const disableLegacyContext = __EXPERIMENTAL__;
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export const disableSchedulerTimeoutBasedOnReactExpirationTime = false;
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export const enableTrustedTypesIntegration = false;
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export const disableTextareaChildren = __EXPERIMENTAL__;
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export const disableModulePatternComponents = true;
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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 = !__EXPERIMENTAL__;
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export const enableFilterEmptyStringAttributesDOM = false;
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export const disableNativeComponentFrames = false;
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export const skipUnmountedBoundaries = true;
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export const deletedTreeCleanUpLevel = 3;
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export const enableSuspenseLayoutEffectSemantics = false;
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export const enableNewReconciler = false;
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export const deferRenderPhaseUpdateToNextBatch = 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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export const enableSyncDefaultUpdates = true;
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export const allowConcurrentByDefault = true;
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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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