React Native Environment Info:
    System:
      OS: macOS 10.14.1
      CPU: (8) x64 Intel(R) Core(TM) i7-4870HQ CPU @ 2.50GHz
      Memory: 3.35 GB / 16.00 GB
      Shell: 3.2.57 - /bin/bash
    Binaries:
      Node: 8.12.0 - /usr/local/bin/node
      Yarn: 1.2.1 - /usr/local/bin/yarn
      npm: 6.4.1 - /usr/local/bin/npm
      Watchman: 4.9.0 - /usr/local/bin/watchman
    SDKs:
      iOS SDK:
        Platforms: iOS 12.1, macOS 10.14, tvOS 12.1, watchOS 5.1
      Android SDK:
        API Levels: 23, 24, 25, 26, 27, 28
        Build Tools: 23.0.1, 25.0.1, 25.0.2, 26.0.1, 26.0.2, 26.0.3, 27.0.2, 27.0.3, 28.0.2, 28.0.3
        System Images: android-23 | Intel x86 Atom_64, android-23 | Google APIs Intel x86 Atom_64, android-24 | Intel x86 Atom_64, android-24 | Google APIs Intel x86 Atom_64, android-25 | Google APIs Intel x86 Atom_64
    IDEs:
      Android Studio: 3.2 AI-181.5540.7.32.5056338
      Xcode: 10.1/10B61 - /usr/bin/xcodebuild
    npmPackages:
      react: 16.6.0-alpha.8af6728 => 16.6.0-alpha.8af6728 
      react-native: 0.57.4 => 0.57.4 
    npmGlobalPackages:
      create-react-native-app: 1.0.0
      react-native-cli: 2.0.1
      react-native-git-upgrade: 0.2.7