React Native+Firebase应用在iOS模拟器无法启动，编译报错求助

我使用Expo裸工作流开发集成Firebase的React Native应用，Android端运行正常，但iOS模拟器启动开发服务器时持续报错。已严格遵循React Native官方文档配置开发环境，也按rnfirebase.io指引完成Firebase全配置，寻求技术解决方案。

报错信息 #

❌  (ios/Pods/FirebaseCoreInternal/FirebaseCore/Internal/Sources/HeartbeatLogging/HeartbeatStorage.swift:109:38)

  107 |   func readAndWriteAsync(using transform: @escaping (HeartbeatsBundle?) -> HeartbeatsBundle?) {
  108 |     queue.async { [self] in
> 109 |       let oldHeartbeatsBundle = try? load(from: storage)
      |                                      ^ 闭包中调用'load'方法需要显式添加'self.'以明确捕获语义
  110 |       let newHeartbeatsBundle = transform(oldHeartbeatsBundle)
  111 |       try? save(newHeartbeatsBundle, to: storage)
  112 |     }


❌  (ios/Pods/FirebaseCoreInternal/FirebaseCore/Internal/Sources/HeartbeatLogging/HeartbeatStorage.swift:109:49)

  107 |   func readAndWriteAsync(using transform: @escaping (HeartbeatsBundle?) -> HeartbeatsBundle?) {
  108 |     queue.async { [self] in
> 109 |       let oldHeartbeatsBundle = try? load(from: storage)
      |                                                 ^ 闭包中引用'storage'属性需要显式添加'self.'以明确捕获语义
  110 |       let newHeartbeatsBundle = transform(oldHeartbeatsBundle)
  111 |       try? save(newHeartbeatsBundle, to: storage)
  112 |     }


❌  (ios/Pods/FirebaseCoreInternal/FirebaseCore/Internal/Sources/HeartbeatLogging/HeartbeatStorage.swift:111:12)

  109 |       let oldHeartbeatsBundle = try? load(from: storage)
  110 |       let newHeartbeatsBundle = transform(oldHeartbeatsBundle)
> 111 |       try? save(newHeartbeatsBundle, to: storage)
      |            ^ 闭包中调用'save'方法需要显式添加'self.'以明确捕获语义
  112 |     }
  113 |   }
  114 | 


❌  (ios/Pods/FirebaseCoreInternal/FirebaseCore/Internal/Sources/HeartbeatLogging/HeartbeatStorage.swift:111:42)

  109 |       let oldHeartbeatsBundle = try? load(from: storage)
  110 |       let newHeartbeatsBundle = transform(oldHeartbeatsBundle)
> 111 |       try? save(newHeartbeatsBundle, to: storage)
      |                                          ^ 闭包中引用'storage'属性需要显式添加'self.'以明确捕获语义
  112 |     }
  113 |   }
  114 | 

› Compiling @react-native-firebase/auth Pods/FirebaseCoreInternal » RingBuffer.swift
› Compiling @react-native-firebase/auth Pods/FirebaseCoreInternal » _ObjC_HeartbeatController.swift
› Compiling @react-native-firebase/auth Pods/FirebaseCoreInternal » HeartbeatController.swift
› Compiling @react-native-firebase/auth Pods/FirebaseCoreInternal » HeartbeatsBundle.swift
› Compiling @react-native-firebase/auth Pods/FirebaseCoreInternal » Heartbeat.swift
› Compiling react-native Pods/RCT-Folly » SysUio.cpp
› Compiling react-native Pods/RCT-Folly » FileUtil.cpp
› Compiling react-native Pods/RCT-Folly » NetOps.cpp
› Packaging @react-native-firebase/auth Pods/GoogleDataTransport » libGoogleDataTransport.a
› Packaging react-native Pods/RCT-Folly » libRCT-Folly.a
› Compiling @react-native-firebase/auth Pods/FirebaseCoreDiagnostics » FIRCoreDiagnostics.m
    Capabilities for Signing & Capabilities may not function correctly because its entitlements use a placeholder team ID. To resolve this, select a development team in the Gocoinet editor. (in target 'Gocoinet' from project 'Gocoinet')

› 4 error(s), and 1 warning(s)

CommandError: Failed to build iOS project. "xcodebuild" exited with error code 65.

解决方案 #

这些错误是Swift编译时的捕获语义问题，通常由Xcode版本与Firebase依赖版本不兼容、Swift版本配置缺失导致，按以下步骤解决：

• 确认Xcode版本：确保使用Xcode 12及以上稳定版，这类版本对Swift闭包的self捕获有明确要求，旧版本可能不兼容最新Firebase Pods。
• 更新Firebase依赖：
  在项目根目录执行：

  npm install @react-native-firebase/app@latest @react-native-firebase/auth@latest
  

  进入iOS目录更新Pods：

  cd ios
  pod update FirebaseCoreInternal FirebaseCore
  

• 指定Swift版本：
  编辑ios/Podfile，在post_install块中添加Swift版本配置（确保版本为5.3+）：

  post_install do |installer|
    installer.pods_project.targets.each do |target|
      target.build_configurations.each do |config|
        config.build_settings['SWIFT_VERSION'] = '5.3'
      end
    end
  end
  

• 清理缓存并重新构建：

  # 删除Pods目录和锁定文件
  rm -rf ios/Pods
  rm ios/Podfile.lock
  # 清理Xbuild缓存
  xcodebuild clean
  # 重新安装Pods
  cd ios && pod install
  

• 处理签名警告：
  打开Xcode中的ios/Gocoinet.xcworkspace，选择Gocoinet目标，进入Signing & Capabilities面板，选择你的Apple开发团队，替换占位符Team ID。

内容的提问来源于stack exchange，提问作者naDan