mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Pieter De Baets
3a06cca9dc
Summary: Pull Request resolved: https://github.com/facebook/react-native/pull/36395 NativeState is a lighter-weight alternative to HostObject, which may simplify some of our use-cases of interacting with JS in the renderer. The down-side is that this approach doesn't allow exposing custom props or functions. This diffs adds new feature flags to enable experimenting with this functionality and measure any perf impact. Changelog: [Internal] Reviewed By: sammy-SC Differential Revision: D41553421 fbshipit-source-id: 3065bd7b60f0fa7b63c390e92a785582eee7e613
41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and 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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#pragma once
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namespace facebook {
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namespace react {
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/*
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* Contains the set of feature flags for the renderer core.
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* Some of them are temporary and may be eventualy phased out
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* as soon as the feature is fully implemented.
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*/
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class CoreFeatures {
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public:
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// Specifies whether the iterator-style prop parsing is enabled.
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static bool enablePropIteratorSetter;
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// This is used as a feature flag for *all* PropsX structs.
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// For MapBuffer to be used for a particular component instance,
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// its ShadowNode traits must set the MapBuffer trait; and this
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// must be set to "true" globally.
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static bool enableMapBuffer;
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// When enabled, Fabric will block paint to allow for state updates in
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// useLayoutEffect hooks to be processed. This changes affects scheduling of
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// when a transaction is mounted.
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static bool blockPaintForUseLayoutEffect;
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// Whether to use Hermes' NativeState instead of HostObject
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// in simple data passing scenarios with JS
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static bool useNativeState;
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};
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} // namespace react
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} // namespace facebook
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