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CONTRIBUTING.md

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When it comes to open source, there are different ways you can contribute, all of which are valuable. Here's few guidelines that should help you as you prepare your contribution.

Initial steps

Before you start working on a contribution, create an issue describing what you want to build. It's possible someone else is already working on something similar, or perhaps there is a reason that feature isn't implemented. The maintainers will point you in the right direction.

Development

The following steps will get you setup to contribute changes to this repo:

  1. Fork this repo.

  2. Clone your forked repo: git clone [email protected]:{your_username}/zod.git

  3. Run yarn to install dependencies.

  4. Start playing with the code! You can do some simple experimentation in src/playground.ts (see yarn play below) or start implementing a feature right away.

Commands

yarn build

  • deletes lib and re-compiles src to lib

yarn test

  • runs all Jest tests and generates coverage badge

yarn test:one

  • runs a single test file
  • example: yarn test src/__tests__/testFileNameHere.ts

yarn play

  • executes src/playground.ts, watches for changes. useful for experimentation

Tests

Zod uses Jest for testing. After implementing your contribution, write tests for it. Just create a new file under src/__tests__ or add additional tests to the appropriate existing file.

Before submitting your PR, run yarn test to make sure there are no (unintended) breaking changes.

Documentation

The Zod documentation lives in the README.md. Be sure to document any API changes you implement.

License

By contributing your code to the zod GitHub repository, you agree to license your contribution under the MIT license.