Skip to main content
Version: 2.9

Support & Contributing

IAPKit - In-App Purchase Solution

We welcome contributions and are here to help you succeed with expo-iap!

Getting Help​

Documentation​

Community Support​

Before Asking for Help​

  1. Search existing issues - Your question might already be answered
  2. Check the troubleshooting guide - Many common issues are covered
  3. Provide a minimal reproduction - This helps us help you faster
  4. Include relevant details - Platform, versions, error messages, etc.

Issue Reporting​

When reporting a bug, please include:

Environment Information​

- expo-iap version: x.x.x
- Platform: iOS/Android/Both
- OS version: iOS 16.1 / Android 13
- Device: iPhone 14 / Pixel 7
- Development environment: Expo Go / Development Build / Bare workflow

Reproduction Steps​

  1. Clear steps to reproduce the issue
  2. Expected behavior
  3. Actual behavior
  4. Minimal code example (if applicable)

Logs and Screenshots​

  • Relevant error messages
  • Console logs
  • Screenshots (if UI-related)

Contributing​

We welcome contributions of all kinds! Here's how you can help:

Ways to Contribute​

  1. Bug Reports: Help us identify and fix issues
  2. Feature Requests: Suggest new features or improvements
  3. Documentation: Improve docs, add examples, fix typos
  4. Code: Submit bug fixes or new features
  5. Testing: Test new releases and provide feedback
  6. Community: Help others in discussions and issues

Development Setup​

  1. Fork the repository

    git clone https://github.com/your-username/expo-iap.git
    cd expo-iap

  2. Install dependencies

    npm install
    # or
    yarn install
    # or
    bun install

  3. Run the example project

    cd example
    npm install
    npx expo run:ios # or run:android

Development Guidelines​

Code Style​

  • Use TypeScript for all new code
  • Follow the existing code style
  • Run linters before submitting: npm run lint
  • Ensure all tests pass: npm test

Commit Messages​

Use conventional commit format:

feat: add subscription management feature
fix: resolve Android billing client crash
docs: update installation guide
test: add unit tests for purchase flow

Pull Request Process​

  1. Create a feature branch

    git checkout -b feature/your-feature-name

  2. Make your changes

    • Write clear, maintainable code
    • Add tests for new features
    • Update documentation as needed

  3. Test your changes

    npm test
    npm run lint
    npm run type-check

  4. Submit a Pull Request

    • Provide a clear description of changes
    • Link any related issues
    • Include screenshots for UI changes
    • Ensure CI passes

Testing​

Running Tests​

# Unit tests
npm test

# Type checking
npm run type-check

# Linting
npm run lint

# All checks
npm run validate

Test Coverage​

  • Write unit tests for new features
  • Test on both iOS and Android
  • Include edge cases and error scenarios
  • Verify with real devices when possible

Documentation Contributions​

Documentation improvements are always welcome:

Types of Documentation Contributions​

  • Fix typos and grammar
  • Improve clarity and completeness
  • Add missing examples
  • Update outdated information
  • Translate to other languages

Documentation Setup​

cd docs
npm install
npm start

This starts the documentation development server at http://localhost:3000.

Writing Guidelines​

  • Use clear, concise language
  • Include code examples
  • Test all code snippets
  • Follow the existing structure
  • Consider different skill levels

Community Guidelines​

Code of Conduct​

We follow the Contributor Covenant Code of Conduct. Please read it before participating.

Be Respectful​

  • Be patient with newcomers
  • Provide constructive feedback
  • Avoid inflammatory language
  • Help maintain a welcoming environment

Best Practices​

  • Search before posting
  • Use descriptive titles
  • Stay on topic
  • Follow up on your issues
  • Thank contributors

Recognition​

Contributors are recognized in:

  • GitHub contributors list
  • Release notes (for significant contributions)
  • Documentation credits
  • Community highlights

Project Roadmap​

Current Priorities​

  1. Enhanced error handling and debugging
  2. Performance optimizations
  3. Better TypeScript definitions
  4. Improved testing coverage
  5. Documentation improvements

Future Plans​

  • Additional platform support
  • Advanced analytics integration
  • Enhanced subscription management
  • Developer tools and debugging aids

Sponsorship​

If expo-iap helps your business, consider sponsoring the project:

Your support helps maintain and improve the project for everyone.

Contact​

Maintainers​

Channels​

  • GitHub: Primary communication channel
  • Email: For security issues or private matters
  • Social: Follow updates on social media

License​

expo-iap is licensed under the MIT License.

Contributing License Agreement​

By contributing, you agree that your contributions will be licensed under the same MIT License.

Thank you for using and contributing to expo-iap! Together, we're building the best in-app purchase solution for the Expo and React Native ecosystem. 🚀