react/packages/shared/ReactFeatureFlags.js
2018-01-22 09:58:35 -08:00

34 lines
1.0 KiB
JavaScript

/**
* Copyright (c) 2013-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
*/
import invariant from 'fbjs/lib/invariant';
export const enableAsyncSubtreeAPI = true;
// Exports ReactDOM.createRoot
export const enableCreateRoot = false;
export const enableUserTimingAPI = __DEV__;
// Mutating mode (React DOM, React ART, React Native):
export const enableMutatingReconciler = true;
// Experimental noop mode (currently unused):
export const enableNoopReconciler = false;
// Experimental persistent mode (Fabric):
export const enablePersistentReconciler = false;
// Helps identify side effects in begin-phase lifecycle hooks and setState reducers:
export const debugRenderPhaseSideEffects = false;
// Warn about deprecated, async-unsafe lifecycles; relates to RFC #6:
export const warnAboutDeprecatedLifecycles = false;
// Only used in www builds.
export function addUserTimingListener() {
invariant(false, 'Not implemented.');
}