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Contributing to Dragon

We would love for you to contribute to Dragon and help make it even better than it is today! As a contributor, here are the guidelines we would like you to follow:

Got a Question or Problem?

Do not open issues for general support questions as we want to keep GitHub issues for bug reports and feature requests. You've got much better chances of getting your question answered on Stack Overflow.

Found a Bug?

If you find a bug in the source code, you can help us by submitting an issue to our [GitHub Repository][github]. Even better, you can submit a Pull Request with a fix.

Missing a Feature?

You can request a new feature by submitting an issue to our GitHub Repository. If you would like to implement a new feature, please submit an issue with a proposal for your work first, to be sure that we can use it. Please consider what kind of change it is:

  • For a Major Feature, first open an issue and outline your proposal so that it can be discussed. This will also allow us to better coordinate our efforts, prevent duplication of work, and help you to craft the change so that it is successfully accepted into the project. For your issue name, please prefix your proposal with [discussion], for example "[discussion]: your feature idea".
  • Small Features can be crafted and directly submitted as a Pull Request.

Submission Guidelines

Before you submit an issue, please search the issue tracker, maybe an issue for your problem already exists and the discussion might inform you of workarounds readily available.

We want to fix all the issues as soon as possible, but before fixing a bug we need to reproduce and confirm it.

In order to reproduce bugs we will systematically ask you to provide a minimal reproduction scenario using a repository or Gist. Having a live, reproducible scenario gives us wealth of important information without going back & forth to you with additional questions like:

  • version of Dragon used
  • 3rd-party libraries and their versions
  • and most importantly - a use-case that fails

Submitting a Pull Request (PR)

Before you submit your Pull Request (PR) consider the following guidelines:

  1. Search GitHub for an open or closed PR that relates to your submission. You don't want to duplicate effort.

  2. Fork the Dragon-project/Dragon repo.

  3. Make your changes in a new git branch:

    git checkout -b my-fix-branch main

  4. Create your patch, including appropriate test cases.

  5. Run the full Dragon test suite

  6. Commit your changes using a descriptive commit message that follows our commit message conventions. Adherence to these conventions is necessary because release notes are automatically generated from these messages.

    git commit -a

    Note: the optional commit -a command line option will automatically "add" and "rm" edited files.

  7. Push your branch to GitHub:

    git push origin my-fix-branch

  8. In GitHub, send a pull request to Dragon:main. If we suggest changes then:

  • Make the required updates.

  • Re-run the Dragon test suites to ensure tests are still passing.

  • Rebase your branch and force push to your GitHub repository (this will update your Pull Request):

    ```shell
git rebase main -i
  git push -f
```

That's it! Thank you for your contribution!

Commit Message Guidelines

We have very precise rules over how our git commit messages can be formatted. This leads to more readable messages that are easy to follow when looking through the project history. But also, we use the git commit messages to generate the Dragon change log.

Commit Message Format

Each commit message consists of a header, a body and a footer. The header has a special format that includes a type, a scope and a subject:

<type>(<scope>): <subject>
<BLANK LINE>
<body>
<BLANK LINE>
<footer>

The header is mandatory and the scope of the header is optional.

Any line of the commit message cannot be longer 100 characters! This allows the message to be easier to read on GitHub as well as in various git tools.

docs(changelog): update change log to beta.5
fix(core): need to depend on latest rxjs and zone.js

Type

Must be one of the following:

  • build: Changes that affect the build system or external dependencies (example scopes: gulp, broccoli, npm)
  • chore: Updating tasks etc; no production code change
  • ci: Changes to our CI configuration files and scripts (example scopes: Travis, Circle, BrowserStack, SauceLabs)
  • docs: Documentation only changes
  • feat: A new feature
  • fix: A bug fix
  • perf: A code change that improves performance
  • refactor: A code change that neither fixes a bug nor adds a feature
  • style: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc)
  • test: Adding missing tests or correcting existing tests
  • sample: A change to the samples

Scope

The scope should be the name of the npm package affected (as perceived by person reading changelog generated from commit messages.

The following is the list of supported scopes:

  • lib
  • spec
  • examples
  • docs
  • github
  • benchmarks

Subject

The subject contains succinct description of the change:

  • use the imperative, present tense: "change" not "changed" nor "changes"
  • don't capitalize first letter
  • no dot (.) at the end

Body

Just as in the subject, use the imperative, present tense: "change" not "changed" nor "changes". The body should include the motivation for the change and contrast this with previous behavior.

Footer

The footer should contain any information about Breaking Changes and is also the place to reference GitHub issues that this commit Closes.