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de84d5c107
* Enable Profiler timing for DOM and RN dev bundles * Disable enableProfilerTimer feature flag for ReactIncrementalPerf-test
52 lines
1.9 KiB
JavaScript
52 lines
1.9 KiB
JavaScript
/**
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* Copyright (c) 2013-present, Facebook, Inc.
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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 invariant from 'fbjs/lib/invariant';
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// Exports ReactDOM.createRoot
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export const enableUserTimingAPI = __DEV__;
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// Mutating mode (React DOM, React ART, React Native):
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export const enableMutatingReconciler = true;
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// Experimental noop mode (currently unused):
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export const enableNoopReconciler = false;
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// Experimental persistent mode (Fabric):
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export const enablePersistentReconciler = false;
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// Experimental error-boundary API that can recover from errors within a single
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// render phase
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export const enableGetDerivedStateFromCatch = false;
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// Suspense
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export const enableSuspense = false;
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// Helps identify side effects in begin-phase lifecycle hooks and setState reducers:
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export const debugRenderPhaseSideEffects = false;
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// In some cases, StrictMode should also double-render lifecycles.
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// This can be confusing for tests though,
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// And it can be bad for performance in production.
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// This feature flag can be used to control the behavior:
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export const debugRenderPhaseSideEffectsForStrictMode = __DEV__;
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// To preserve the "Pause on caught exceptions" behavior of the debugger, we
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// replay the begin phase of a failed component inside invokeGuardedCallback.
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export const replayFailedUnitOfWorkWithInvokeGuardedCallback = __DEV__;
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// Warn about deprecated, async-unsafe lifecycles; relates to RFC #6:
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export const warnAboutDeprecatedLifecycles = false;
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// Gather advanced timing metrics for Profiler subtrees.
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export const enableProfilerTimer = __DEV__;
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// Fires getDerivedStateFromProps for state *or* props changes
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export const fireGetDerivedStateFromPropsOnStateUpdates = true;
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// Only used in www builds.
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export function addUserTimingListener() {
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invariant(false, 'Not implemented.');
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}
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