react-native-shared-code

Analyses your React Native project and calculates the percentage of

• shared code across platforms
• platform specific code

Formula

The formulas are based on the two ways of targeting specific platforms in React Native:

• Platform module
• Platform-specific extensions

Shared code


Platform specific


Usage

Installation

You can install react-native-shared-code either as a global package or a local module.

Global package

npm install -g react-native-shared-code
react-native-shared-code path-to-react-native-project

Local package

npm install --save-dev react-native-shared-code

Add shared-code script to your package.json

{
  "scripts": {
    "shared-code": "react-native-shared-code"
  }
}

API

  Usage: react-native-shared-code [path] [options]


  Commands:

    [path]     path to React Native project (default value is cwd)

  Options:

    -h, --help    output usage information
    -v, --version output the version number
    -p, --platform platform for which to calculate the shared code percentages.
                   Accepted values are ios, android and windows.
                   By default, it detects index.platform.js for android, ios, windows
    --verbose output debugging info

Author

Fidan Hakaj

• email [e-mail]
• twitter twitter.com/fdnhkj

Acknowledgments

• Mateusz Zatorski for having this awesome idea!
• Martín Bigio for sharing the script used @instagram
• James Kyle & Logan Smyth for their help regarding babel (babel plugin - get-structured information as output after static code analysis)