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node_modules/react-native/ReactCommon/jsinspector-modern/InspectorFlags.cpp

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+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#include "InspectorFlags.h"
+
+#include <glog/logging.h>
+#include <react/featureflags/ReactNativeFeatureFlags.h>
+
+namespace facebook::react::jsinspector_modern {
+
+InspectorFlags& InspectorFlags::getInstance() {
+  static InspectorFlags instance;
+  return instance;
+}
+
+bool InspectorFlags::getAssertSingleHostState() const {
+  return loadFlagsAndAssertUnchanged().assertSingleHostState;
+}
+
+bool InspectorFlags::getFuseboxEnabled() const {
+  if (fuseboxDisabledForTest_) {
+    return false;
+  }
+
+  return loadFlagsAndAssertUnchanged().fuseboxEnabled;
+}
+
+bool InspectorFlags::getIsProfilingBuild() const {
+  return loadFlagsAndAssertUnchanged().isProfilingBuild;
+}
+
+bool InspectorFlags::getNetworkInspectionEnabled() const {
+  return loadFlagsAndAssertUnchanged().networkInspectionEnabled;
+}
+
+bool InspectorFlags::getPerfIssuesEnabled() const {
+  return loadFlagsAndAssertUnchanged().perfIssuesEnabled;
+}
+
+void InspectorFlags::dangerouslyResetFlags() {
+  *this = InspectorFlags{};
+}
+
+void InspectorFlags::dangerouslyDisableFuseboxForTest() {
+  fuseboxDisabledForTest_ = true;
+}
+
+const InspectorFlags::Values& InspectorFlags::loadFlagsAndAssertUnchanged()
+    const {
+  InspectorFlags::Values newValues = {
+      .assertSingleHostState =
+          ReactNativeFeatureFlags::fuseboxAssertSingleHostState(),
+      .fuseboxEnabled =
+#if defined(REACT_NATIVE_DEBUGGER_ENABLED)
+          true,
+#else
+          ReactNativeFeatureFlags::fuseboxEnabledRelease(),
+#endif
+      .isProfilingBuild =
+#if defined(REACT_NATIVE_DEBUGGER_MODE_PROD)
+          true,
+#else
+          false,
+#endif
+      .networkInspectionEnabled =
+          ReactNativeFeatureFlags::enableBridgelessArchitecture() &&
+          ReactNativeFeatureFlags::fuseboxNetworkInspectionEnabled(),
+      .perfIssuesEnabled = ReactNativeFeatureFlags::perfIssuesEnabled(),
+  };
+
+  if (cachedValues_.has_value() && !inconsistentFlagsStateLogged_) {
+    if (cachedValues_ != newValues) {
+      LOG(ERROR)
+          << "[InspectorFlags] Error: One or more ReactNativeFeatureFlags values "
+          << "have changed during the global app lifetime. This may lead to "
+          << "inconsistent inspector behaviour. Please quit and restart the app.";
+      inconsistentFlagsStateLogged_ = true;
+    }
+  }
+
+  cachedValues_ = newValues;
+
+  return cachedValues_.value();
+}
+
+} // namespace facebook::react::jsinspector_modern