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Contributing to llnode

This document will guide you through the contribution process.

Step 1: Fork

Fork the project on GitHub and check out your copy locally.

$ git clone git@github.com:username/llnode.git
$ cd llnode
$ git remote add upstream git://github.com/indutny/llnode.git

Which branch?

For developing new features and bug fixes, the main branch should be pulled and built upon.

Step 2: Branch

Create a feature branch and start hacking:

$ git checkout -b my-feature-branch -t origin/main

Step 3: Commit

Make sure git knows your name and email address:

$ git config --global user.name "J. Random User"
$ git config --global user.email "j.random.user@example.com"

Writing good commit logs is important. A commit log should describe what changed and why. Follow these guidelines when writing one:

  1. The first line should be 50 characters or less and contain a short description of the change prefixed with the name of the changed subsystem (e.g. "net: add localAddress and localPort to Socket").
  2. Keep the second line blank.
  3. Wrap all other lines at 72 columns.

A good commit log can look something like this:

subsystem: explaining the commit in one line

Body of commit message is a few lines of text, explaining things
in more detail, possibly giving some background about the issue
being fixed, etc. etc.

The body of the commit message can be several paragraphs, and
please do proper word-wrap and keep columns shorter than about
72 characters or so. That way `git log` will show things
nicely even when it is indented.

The header line should be meaningful; it is what other people see when they run git shortlog or git log --oneline.

Check the output of git log --oneline files_that_you_changed to find out what subsystem (or subsystems) your changes touch.

If your patch fixes an open issue, you can add a reference to it at the end of the log. Use the Fixes: prefix and the full issue URL. For example:

Fixes: https://github.com/indutny/llnode/issues/1337

Step 4: Rebase

Use git rebase (not git merge) to sync your work from time to time.

$ git fetch upstream
$ git rebase upstream/master

Step 5: Test

Bug fixes and features should come with tests. Add your tests in the test/parallel/ directory. For guidance on how to write a test for the llnode project, see this guide. Looking at other tests to see how they should be structured can also help.

$ npm install && npm test

Make sure the linter is happy and that all tests pass. Please, do not submit patches that fail either check.

Step 6: Push

$ git push origin my-feature-branch

Go to https://github.com/yourusername/llnode and select your feature branch. Click the 'Pull Request' button and fill out the form.

Pull requests are usually reviewed within a few days. If there are comments to address, apply your changes in a separate commit and push that to your feature branch. Post a comment in the pull request afterwards; GitHub does not send out notifications when you add commits.

Code of Conduct

The Node.js Code of Conduct applies to this repo.

Code Contributions

The llnode project falls under the governance of the post-mortem working group which is documented in: https://github.com/nodejs/post-mortem/blob/master/GOVERNANCE.md

Developer's Certificate of Origin 1.1

By making a contribution to this project, I certify that:

  • (a) The contribution was created in whole or in part by me and I have the right to submit it under the open source license indicated in the file; or

  • (b) The contribution is based upon previous work that, to the best of my knowledge, is covered under an appropriate open source license and I have the right under that license to submit that work with modifications, whether created in whole or in part by me, under the same open source license (unless I am permitted to submit under a different license), as indicated in the file; or

  • (c) The contribution was provided directly to me by some other person who certified (a), (b) or (c) and I have not modified it.

  • (d) I understand and agree that this project and the contribution are public and that a record of the contribution (including all personal information I submit with it, including my sign-off) is maintained indefinitely and may be redistributed consistent with this project or the open source license(s) involved.