/* * 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. */ package com.facebook.react.config; /** * Hi there, traveller! This configuration class is not meant to be used by end-users of RN. It * contains mainly flags for features that are either under active development and not ready for * public consumption, or for use in experiments. * *

These values are safe defaults and should not require manual changes. */ public class ReactFeatureFlags { /** * Should this application use TurboModules? If yes, then any module that inherits {@link * com.facebook.react.turbomodule.core.interfaces.TurboModule} will NOT be passed in to C++ * CatalystInstanceImpl */ public static volatile boolean useTurboModules = false; /** Should we output debug logs to debug the TurboModule infra? */ public static volatile boolean enableTurboModuleDebugLogs = false; /* * This feature flag enables logs for Fabric */ public static boolean enableFabricLogs = false; /** * Should this application use a {@link com.facebook.react.uimanager.ViewManagerDelegate} (if * provided) to update the view properties. If {@code false}, then the generated {@code * ...$$PropsSetter} class will be used instead. */ public static boolean useViewManagerDelegates = false; /** * Should this application use Catalyst Teardown V2? This is an experiment to use a V2 of the * CatalystInstanceImpl `destroy` method. */ public static boolean useCatalystTeardownV2 = false; /** * When the ReactContext is destroyed, should the CatalystInstance immediately be nullified? This * is the safest thing to do since the CatalystInstance shouldn't be used, and should be * garbage-collected after it's destroyed, but this is a breaking change in that many native * modules assume that a ReactContext will always have a CatalystInstance. This will be deleted * and the CatalystInstance will always be destroyed in some future release. */ public static boolean nullifyCatalystInstanceOnDestroy = false; /** * Temporary flag. See UIImplementation: if this flag is enabled, ViewCommands will be queued and * executed before any other types of UI operations. */ public static boolean allowEarlyViewCommandExecution = false; /** * This react flag enables a custom algorithm for the getChildVisibleRect() method in the classes * ReactViewGroup, ReactHorizontalScrollView and ReactScrollView. * *

This new algorithm clip child rects if overflow is set to ViewProps.HIDDEN. More details in * https://github.com/facebook/react-native/issues/23870 and * https://github.com/facebook/react-native/pull/26334 * *

The react flag is disabled by default because this is increasing ANRs (T57363204) */ public static boolean clipChildRectsIfOverflowIsHidden = false; /** * Temporary feature flat to control a fix in the transition to layoutOnlyViews TODO T61185028: * remove this when bug is fixed */ public static boolean enableTransitionLayoutOnlyViewCleanup = false; }