51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
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/*
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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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#include <optional>
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namespace facebook::react::jsinspector_modern {
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/**
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* A container for all inspector related feature flags (Meyers singleton
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* pattern). Enforces that flag values are static for the lifetime of the app.
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*/
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class InspectorFlags {
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public:
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static InspectorFlags& getInstance();
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/**
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* Flag determining if the modern CDP backend should be enabled.
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*/
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bool getFuseboxEnabled() const;
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/**
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* Reset flags to their upstream values. The caller must ensure any resources
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* that have read previous flag values have been cleaned up.
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*/
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void dangerouslyResetFlags();
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private:
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struct Values {
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bool fuseboxEnabled;
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bool operator==(const Values&) const = default;
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};
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InspectorFlags() = default;
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InspectorFlags(const InspectorFlags&) = delete;
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InspectorFlags& operator=(const InspectorFlags&) = default;
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~InspectorFlags() = default;
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mutable std::optional<Values> cachedValues_;
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mutable bool inconsistentFlagsStateLogged_{false};
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const Values& loadFlagsAndAssertUnchanged() const;
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};
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} // namespace facebook::react::jsinspector_modern
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