xref: /expo/packages/expo-modules-core/ios/ModuleRegistryAdapter/EXModuleRegistryAdapter.m (revision 8b02c6d0)

// Copyright 2018-present 650 Industries. All rights reserved.

#import <ExpoModulesCore/EXNativeModulesProxy.h>
#import <ExpoModulesCore/EXModuleRegistryAdapter.h>
#import <ExpoModulesCore/EXModuleRegistryProvider.h>
#import <ExpoModulesCore/EXModuleRegistryHolderReactModule.h>
#import <ExpoModulesCore/EXReactNativeEventEmitter.h>

@interface EXModuleRegistryAdapter ()

@property (nonatomic, strong) EXModuleRegistryProvider *moduleRegistryProvider;

@end

@implementation EXModuleRegistryAdapter

- (nonnull instancetype)initWithModuleRegistryProvider:(EXModuleRegistryProvider *)moduleRegistryProvider
{
  if (self = [super init]) {
    _moduleRegistryProvider = moduleRegistryProvider;
  }
  return self;
}

- (NSArray<id<RCTBridgeModule>> *)extraModulesForBridge:(RCTBridge *)bridge
{
  return [self extraModulesForModuleRegistry:[_moduleRegistryProvider moduleRegistry]];
}

- (NSArray<id<RCTBridgeModule>> *)extraModulesForModuleRegistry:(EXModuleRegistry *)moduleRegistry
{
  NSMutableArray<id<RCTBridgeModule>> *extraModules = [NSMutableArray array];

  EXNativeModulesProxy *nativeModulesProxy = [[EXNativeModulesProxy alloc] initWithModuleRegistry:moduleRegistry];
  [extraModules addObject:nativeModulesProxy];

  // Event emitter is not automatically registered — we add it to the module registry here.
  // It will be added to the bridge later in this method, as it conforms to `RCTBridgeModule`.
  EXReactNativeEventEmitter *eventEmitter = [EXReactNativeEventEmitter new];
  [moduleRegistry registerInternalModule:eventEmitter];

  // It is possible that among internal modules there are some RCTBridgeModules --
  // let's add them to extraModules here.
  for (id<EXInternalModule> module in [moduleRegistry getAllInternalModules]) {
    if ([module conformsToProtocol:@protocol(RCTBridgeModule)]) {
      id<RCTBridgeModule> reactBridgeModule = (id<RCTBridgeModule>)module;
      [extraModules addObject:reactBridgeModule];
    }
  }

  // Adding the way to access the module registry from RCTBridgeModules.
  [extraModules addObject:[[EXModuleRegistryHolderReactModule alloc] initWithModuleRegistry:moduleRegistry]];

  // One could add some modules to the Module Registry after creating it.
  // Here is our last call for finalizing initialization.
  [moduleRegistry initialize];
  return extraModules;
}

@end