react-native/ReactCommon/cxxreact/JSCNativeModules.h
Pieter De Baets 9ed9bca0bf Lazily instantiate native modules
Summary: Instead of sending a list of modules over to JS on startup (and actually blocking script execution) instead provide a proxy object that constructs each of these lazily.

Reviewed By: lexs

Differential Revision: D3936979

fbshipit-source-id: 71bde822f01eb17a29f56c5e60e95e98e207d74d
2016-10-11 07:28:42 -07:00

36 lines
756 B
C++

// Copyright 2004-present Facebook. All Rights Reserved.
#pragma once
#include <folly/Optional.h>
#include <memory>
#include <string>
#include "Value.h"
#include "ModuleRegistry.h"
namespace facebook {
namespace react {
/**
* Holds and creates JS representations of the modules in ModuleRegistry
*/
class JSCNativeModules {
public:
explicit JSCNativeModules(std::shared_ptr<ModuleRegistry> moduleRegistry);
JSValueRef getModule(JSContextRef context, JSStringRef name);
void reset();
private:
folly::Optional<Object> m_genNativeModuleJS;
std::shared_ptr<ModuleRegistry> m_moduleRegistry;
std::unordered_map<std::string, Object> m_objects;
folly::Optional<Object> createModule(const std::string& name, JSContextRef context);
};
}
}