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Set up experiment to dispatch promise methods asynchronously to NativeModules thread

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Summary:
TurboModule methods that return promises are synchronously run on the JavaScript thread. Back in D22489338 (https://github.com/facebook/react-native/commit/9c35b5b8c4710dfe6a4b689a5565aa78ae5b37d3), we wrote code to make them dispatch on the NativeModules thread. That code, however, was just left disabled. In this diff, I wire up the TurboModules infra to a MobileConfig, which should allow us to assess the performance impact of async dispatch of promise methods to the NativeModules thread in production, before we roll it out more widely.

Changelog: [Internal]

Reviewed By: fkgozali

Differential Revision: D24685389

fbshipit-source-id: 8ceb2e6effc125abecfa76e5e90bd310676aefc9
This commit is contained in:
Ramanpreet Nara
2020-11-06 01:24:25 -08:00
committed by Facebook GitHub Bot
parent 1ee406b9cc
commit 052e578ed6
2 changed files with 5 additions and 1 deletions
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ReactAndroid/src/main/java/com/facebook/react/config/ReactFeatureFlags.java
+3
View File
@@ -23,6 +23,9 @@ public class ReactFeatureFlags {
*/
public static volatile boolean useTurboModules = false;
/** Should we dispatch TurboModule methods with promise returns to the NativeModules thread? */
public static volatile boolean enableTurboModulePromiseAsyncDispatch = false;
/*
* This feature flag enables logs for Fabric
*/
ReactAndroid/src/main/java/com/facebook/react/turbomodule/core/TurboModuleManager.java
+2 -1
View File
@@ -17,6 +17,7 @@ import com.facebook.react.bridge.CxxModuleWrapper;
import com.facebook.react.bridge.JSIModule;
import com.facebook.react.bridge.JavaScriptContextHolder;
import com.facebook.react.bridge.NativeModule;
import com.facebook.react.config.ReactFeatureFlags;
import com.facebook.react.turbomodule.core.interfaces.CallInvokerHolder;
import com.facebook.react.turbomodule.core.interfaces.TurboModule;
import com.facebook.react.turbomodule.core.interfaces.TurboModuleRegistry;
@@ -60,7 +61,7 @@ public class TurboModuleManager implements JSIModule, TurboModuleRegistry {
(CallInvokerHolderImpl) jsCallInvokerHolder,
(CallInvokerHolderImpl) nativeCallInvokerHolder,
delegate,
false);
ReactFeatureFlags.enableTurboModulePromiseAsyncDispatch);
installJSIBindings();
mEagerInitModuleNames =