Contributing to PureYAML

Thanks for your interest in PureYAML.

By participating you agree to the Code of Conduct.

Project Shape

PureYAML is a root Swift package:

PureYAML/
├── Package.swift
├── Sources/PureYAML/
├── Tests/PureYAMLTests/
├── docs/
└── scripts/

Do not create a Packages/ folder for this repo.

Rules

Pure Swift only.
No external SwiftPM dependencies.
No C-backed parser target in the public package.
Every public type lives under the PureYAML namespace tree.
Build and test on macOS, Linux, and WASI.

Setup

git config core.hooksPath .githooks
swift build
swift test

Install SwiftFormat and SwiftLint if they are not already available:

brew install swiftformat swiftlint

Verification

Before opening a PR or saying a change is ready, run:

bash scripts/check-style.sh
bash scripts/check-namespacing.sh
bash scripts/check-changelog-touched.sh
swiftformat . --config .swiftformat --lint
swiftlint --config .swiftlint.yml --strict
swift build
swift test
bash scripts/check-wasm.sh

Commits

Use Conventional Commits:

<type>(<scope>): summary

Examples:

feat(parser): add block sequence parsing
test(emitter): cover quoted scalar dumping
ci(wasm): add wasi build gate

Do not include AI attribution. Do not use em dashes.

License

By contributing, you agree that your contributions are licensed under the project's MIT license.

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