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CONTRIBUTING.md

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Contributing

Contributions are always welcome, no matter how large or small!

We want this community to be friendly and respectful to each other. Please follow it in all your interactions with the project. Before contributing, please read the code of conduct.

Development workflow

To get started with the project, run yarn in the root directory to install the required dependencies for each package:

yarn

While it's possible to use npm, the tooling is built around yarn, so you'll have an easier time if you use yarn for development.

While developing, you can run the example app to test your changes. Any changes you make in your library's JavaScript code will be reflected in the example app without a rebuild. If you change any native code, then you'll need to rebuild the example app.

To start the packager:

yarn start

To run the example app on Android:

yarn run:android:<>

To run the example app on iOS:

yarn run:ios:<>

Make sure your code passes TypeScript and ESLint. Run the following to verify:

yarn tsc
yarn lint

To fix formatting errors, run the following:

yarn lint --fix

Remember to add tests for your change if possible. Run the unit tests by:

yarn test

Commit message convention

We follow the conventional commits specification for our commit messages:

  • fix: bug fixes, e.g. fix crash due to deprecated method.
  • feat: new features, e.g. add new method to the module.
  • feature: new features, e.g. add new method to the module.
  • refactor: code refactor, e.g. migrate from class components to hooks.
  • docs: changes into documentation, e.g. add usage example for the module..
  • test: adding or updating tests, e.g. add integration tests using detox.
  • chore: tooling changes, e.g. change CI config.
  • merge: merging actions.

Our pre-commit hooks verify that your commit message matches this format when committing.

Linting and tests

ESLint, Prettier, TypeScript

We use TypeScript for type checking, ESLint with Prettier for linting and formatting the code, and Jest for testing.

Our pre-commit hooks verify that the linter and tests pass when committing.

Publishing to npm

We use release-it to make it easier to publish new versions. It handles common tasks like bumping version based on semver, creating tags and releases etc.

To publish new versions, run the following:

fastlane release <>

Working on your first pull request? You can learn how from this free series: How to Contribute to an Open Source Project on GitHub.

When you're sending a pull request:

  • Prefer small pull requests focused on one change.
  • Verify that linters and tests are passing.
  • Review the documentation to make sure it looks good.
  • Follow the pull request template when opening a pull request.
  • For pull requests that change the API or implementation, discuss with maintainers first by opening an issue.