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groupCollapsed is not available in the console polyfill when debugging in JSC (iOS) #21446

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@Eyesonly88

Description

@Eyesonly88

Environment

React Native Environment Info:
    System:
      OS: macOS 10.14
      CPU: x64 Intel(R) Core(TM) i7-7820HQ CPU @ 2.90GHz
      Memory: 132.79 MB / 16.00 GB
      Shell: 3.2.57 - /bin/bash
    Binaries:
      Node: 8.12.0 - ~/.nvm/versions/node/v8.12.0/bin/node
      Yarn: 1.6.0 - /usr/local/bin/yarn
      npm: 6.4.1 - ~/.nvm/versions/node/v8.12.0/bin/npm
      Watchman: 4.9.0 - /usr/local/bin/watchman
    SDKs:
      iOS SDK:
        Platforms: iOS 12.0, macOS 10.14, tvOS 12.0, watchOS 5.0
      Android SDK:
        Build Tools: 26.0.3, 27.0.3, 28.0.2
        API Levels: 21, 22, 23, 24, 25, 26, 27
    IDEs:
      Android Studio: 3.1 AI-173.4907809
      Xcode: 10.0/10A255 - /usr/bin/xcodebuild
    npmPackages:
      react: 16.5.1 => 16.5.1 
      react-native: 0.57.1 => 0.57.1 

Description

The console polyfill doesn't have the groupCollapsed function when debugging using Safari.
This makes the console log very spammy as we can't collapse any console log calls.

Reproducible Demo

  • Run the hello world app for ios react-native run-ios
  • Use Safari to open the JSContext for the app
    image
  • Type console.groupCollapsed in the console and you will get undefined
    image

Notes

  • I did some digging to find the polyfill and looks like its this
    groupEnd: consoleGroupEndPolyfill,
  • Some might ask, why would you want to debug using Safari instead of Chrome?
    because not having to "Debug JS remotely" is crash free and much faster.

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    Platform: iOSiOS applications.StaleThere has been a lack of activity on this issue and it may be closed soon.

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