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CONTRIBUTING.md

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Contributing

Reporting Issues

If you have found what you think is a bug, please file an issue.

Suggesting new features

If you are here to suggest a feature, first create an issue if it does not already exist. From there, we will discuss use-cases for the feature and then finally discuss how it could be implemented.

Development

If you have been assigned to fix an issue or develop a new feature, please follow these steps to get started:

  • Fork this repository
  • Install dependencies by running yarn
  • Implement your changes
  • Format all files yarn format
  • Make sure the tests are passing yarn qa
  • Git stage your required changes and commit (see below commit guidelines)
  • Submit PR for review

Commit message conventions

This project is using Conventional Commit Message Conventions.

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.

Commit Message Format

Use yarn commit to launch interactive CLI interface

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 than 100 characters! This allows the message to be easier to read on GitHub as well as in various git tools.

Type

Must be one of the following:

  • feat: A new feature
  • fix: A bug fix
  • docs: Documentation only changes
  • style: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc)
  • refactor: A code change that neither fixes a bug nor adds a feature
  • perf: A code change that improves performance
  • test: Adding missing or correcting existing tests
  • chore: Changes to the build process or auxiliary tools and libraries such as documentation generation

Scope

The scope could be anything specifying place of the commit change.

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.

Breaking Changes should start with the word BREAKING CHANGE: with a space or two newlines. The rest of the commit message is then used for this.

Example

Here is an example of the release type that will be done based on a commit messages:

Commit message Release type
fix(pencil): stop graphite breaking when too much pressure applied Patch Release
feat(pencil): add graphiteWidth option Minor Feature Release
perf(pencil): remove graphiteWidth option

BREAKING CHANGE: The graphiteWidth option has been removed.
The default graphite width of 10mm is always used for performance reasons.		 Major Breaking Release

Revert

If the commit reverts a previous commit, it should begin with revert:, followed by the header of the reverted commit. In the body it should say: This reverts commit <hash>., where the hash is the SHA of the commit being reverted.

Pull requests

Maintainers merge pull requests by squashing all commits and editing the commit message if necessary using the GitHub user interface.

Use an appropriate commit type. Be especially careful with breaking changes.

Releases

The main branch is the main release branch, where changes get released periodically.