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CONTRIBUTING.md

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Contributing

We want this community to be friendly and respectful to each other. Please follow it in all your interactions with the project.

Development workflow

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

yarn bootstrap

While developing, you can run the storybook app to test your changes.

To start the packager:

yarn start

To run the storybook app on Android:

yarn android

To run the storybook app on iOS:

yarn ios

To run the storybook app on web:

yarn web

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

yarn typescript
yarn lint

To fix formatting errors, run the following:

yarn lint --fix

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.
  • 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.

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

Linting

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.

Scripts

The package.json file contains various scripts for common tasks:

  • yarn bootstrap: setup project by installing all dependencies and pods.
  • yarn typescript: type-check files with TypeScript.
  • yarn lint: lint files with ESLint.
  • yarn start: start the Metro server for the storybook app.
  • yarn android: run the storybook app on Android.
  • yarn ios: run the storybook app on iOS.
  • yarn web: run the storybook app on web.
  • yarn storybook: run the storybook server.

Sending a pull request

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.