React native server doesn't start

[nicomontanari]

• Review the documentation: https://facebook.github.io/react-native
• Search for existing issues: https://github.com/facebook/react-native/issues
• Use the latest React Native release: https://github.com/facebook/react-native/releases

Environment

React Native Environment Info:

•  System:
   OS: macOS High Sierra 10.13.6
   CPU: x64 Intel(R) Core(TM) i5-7500 CPU @ 3.40GHz
   Memory: 27.39 MB / 8.00 GB
   Shell: 3.2.57 - /bin/bash
  

• Binaries:
   Node: 10.6.0 - /usr/local/bin/node
   Yarn: 1.7.0 - /usr/local/bin/yarn
   npm: 6.1.0 - /usr/local/bin/npm
   Watchman: 4.9.0 - /usr/local/bin/watchman
  

• SDKs:
   iOS SDK:
     Platforms: iOS 11.4, macOS 10.13, tvOS 11.4, watchOS 4.3
   Android SDK:
     Build Tools: 23.0.1, 23.0.3, 25.0.1, 25.0.2, 25.0.3, 26.0.1, 26.0.2, 27.0.3
     API Levels: 23, 24, 25, 26, 27
  

• IDEs:
   Android Studio: 3.1 AI-173.4819257
   Xcode: 9.4.1/9F2000 - /usr/bin/xcodebuild
  

• npmPackages:
   @types/react: 16.4.6 => 16.4.6 
   @types/react-native: 0.56.3 => 0.56.3 
   react: 16.4.1 => 16.4.1 
   react-native: 0.56.0 => 0.56.0 
   npmGlobalPackages:
   create-react-native-app: 1.0.0
  

Description

When i run "yarn jest && react-native start" command babel gives me this error:
Plugin 0 specified in "/Users/***/Documents/***/Sviluppo/**-native/node_modules/babel-preset-react-native/index.js" provided an invalid property of "default" (While processing preset: "/Users/***/Documents/***/Sviluppo/**-native/node_modules/babel-preset-react-native/index.js")

Reproducible Demo

After upgrading react-native to 0.56

[patrickkempff]

I see you are running Node: 10.6.0, Can you try running with Node LTS (8.11.x) and see if you get the same error?

[kelset]

Same error as -> #19859