Contributing

Here's some ways to help:

Pick an un-checked item from Status. Let me know you want to work on it – I have ideas for some of these.
Pick an item from one of the project boards.
Search the source for FIXME and TODO.
Improve the code coverage. Once it reaches 90%, we can submit a PR to Awesome Go!

Review the pull request template before you get too far along on coding.

A note on lint: nolint: gocyclo has been used to disable cyclomatic complexity checks on generated functions, hand-written parsers, and some of the generic interpreter functions. IMO this check isn't appropriate for those classes of functions. This isn't a license to disable cyclomatic complexity checks or lint in general.

Cookbook

Set up your machine

Fork and clone the repo.

Install go. On macOS running Homebrew, brew install go is easier than the linked instructions.

Install package dependencies and development tools:

make install-dev-tools
go get -t ./...

Test and Lint

go test ./...
make lint

Preview the Documentation

godoc -http=:6060
open http://localhost:6060/pkg/github.com/osteele/liquid/

Work on the Expression Parser and Lexer

To work on the lexer, install Ragel. On macOS: brew install ragel.

Do this after editing scanner.rl or expressions.y:

go generate ./...

Test just the scanner:

cd expression
ragel -Z scanner.rl && go test

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