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CONTRIBUTING.md

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Hi! Thanks for your interest in contributing to nearley. nearley has always been a community-driven project, and we have a history of almost always merging good-quality PRs.

Unfortunately, we're a small team with limited time to work on nearley. If you follow these guidelines, we'll be able to get to your issue much faster!

Before submitting any issue, have you done the following?

  • Read the README.
  • Included the version of node (node -v), npm (npm -v), and nearley (nearleyc -v) that you are using. Ideally, these should all be up-to-date.

If you think you have found a bug, have you done the following?

  • Included a minimal example demonstrating that bug, along with expected and actual output.
  • Extra credit: suggested a solution.
  • For TypeScript, please clarify if possible whether your bug is in the @types/nearley package (which isn't maintained by us), or in generate.js.

If you are asking for help, have you done the following?

  • Looked through our frequently asked questions, on the off chance that someone has already asked that question.
  • Included the full source to your grammar, including supporting files for postprocessors.

If you are suggesting a feature, have you done the following?

  • Looked through past issues, open and closed, to see whether it has been suggested before.
  • Offered a compelling use-case that cannot be accomplished with nearley as it stands.

Before submitting a pull request, have you done the following?

  • Read the README.
  • Checked in with a maintainer before you start hacking, to make sure it is something we would merge (this is more important for bigger changes).
  • Run the benchmark (npm run benchmark) and test suite (npm test) with and without your change to detect possible bugs, and included the output in your pull request as a separate comment. Parsing is tricky, and innocent changes can sometimes kill performance. :-(
  • Not introduced any new dependencies. Check in with a maintainer if you think you need a dependency.
  • Please don't introduce style changes either--these introduce noise which makes your contribution harder to review! Check with a maintainer: we might be happy to accept them in a separate PR :-)
  • Documented your changes: new features should be mentioned in the docs, which are located in /docs. Edit the relevant /docs/md/*.md file in Markdown, and then (in a separate commit) run npm install && npm run make from the /docs directory to compile the documentation pages.