react-native

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T

Ramanpreet Nara cb7f3f4499 Setup TurboModule JS Codegen experiment

Summary:
## Android API
```
// Before we initialize TurboModuleManager
ReactFeatureFlags.useTurboModuleJSCodegen = true
```

## iOS API
```
// Before we initialize RCTBridge
RCTEnableTurboModuleJSCodegen(true);
```

## How is the JS Codegen actually enabled?
The above native flags are translated to the following global variable in JavaScript:
```
global.RN$JSTurboModuleCodegenEnabled = true;
```

Then, all our NativeModule specs are transpiled to contain this logic:
```
interface Foo extends TurboModule {
  // ...
}

function __getModuleSchema() {
  if (!global.RN$JSTurboModuleCodegenEnabled) {
    return undefined;
  }

  // Return the schema of this spec.
  return {...};
}

export default TurboModuleRegistry.get<Foo>('foo', __getModuleSchema());
```

Then, in our C++ JavaTurboModule, and ObjCTurboModule classes, we use the TurboModule JS codegen when the jsi::Object schema is provided from JavaScript in the TurboModuleRegistry.get call.

Changelog: [Internal]

Reviewed By: PeteTheHeat

Differential Revision: D24636307

fbshipit-source-id: 80dcd604cc1121b8a69df875bbfc87e9bb8e4814

2020-11-06 13:28:15 -08:00

LongLivedObject.cpp

TurboModule Android: compile TurboModule C++ Core into ReactAndroid

2020-09-20 14:23:43 -07:00

LongLivedObject.h

TurboModule Android: compile TurboModule C++ Core into ReactAndroid

2020-09-20 14:23:43 -07:00

TurboCxxModule.cpp

TurboModule Android: compile TurboModule C++ Core into ReactAndroid

2020-09-20 14:23:43 -07:00

TurboCxxModule.h

TurboModule Android: compile TurboModule C++ Core into ReactAndroid