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EasyYAML

EasyYAML is a simple way to read and load YAML from a file. It makes some opinionated assumptions, each of which you can override.

Installation

Add this line to your application's Gemfile:

gem 'easy_yaml'

And then execute from the command line:

bundle

Or install it yourself as:

gem install easy_yaml

Usage

The simplest way to use EasyYAML is:

EasyYAML.load 'path/to/file.yml'

EasyYAML makes a few opinionated assumptions. You can override any of these with your own configuration.

EasyYAML.load always returns a Hash.

Required argument

path EasyYAML.load requires a path argument as a String.

Example:

EasyYAML.load 'config/database.yml'

Optional arguments

allow_aliases (defaults to true)

By default, EasyYAML assumes that when you're loading a YAML file, you control and trust that YAML file and want to allow following and expanding any YAML aliases in the file.

If you don't want to allow aliases in the YAML, you can disable them by passing allow_aliases: false.

Example:

EasyYAML.load 'config/database.yml', allow_aliases: false

allow_erb (defaults to true)

By default, EasyYAML assumes that when you're loading a YAML file, you control and trust that YAML file and want to allow embedding ERB in the YAML and evaluating it.

If you don't want to evaluate ERB in the YAML, you can disable it by passing allow_erb: false.

Example:

EasyYAML.load 'config/database.yml', allow_erb: false

relative_to_rails_root (defaults to true)

By default, EasyYAML assumes that when you're loading a YAML file that you're doing this from within a Rails app. EasyYAML then prefixes the path that you pass into EasyYAML.load with Rails.root. So, your path argument only needs to be a string of the path starting at the root of your Rails app.

If you are running EasyYAML outside of a Rails app or if you don't want to load the YAML relative to the Rails app root, you can disable the path prefix by passing relative_to_rails_root: false.

Example:

EasyYAML.load '../../../config/database.yml', relative_to_rails_root: false

Authors

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/hoverinc/easy_yaml. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

The gem is available as open source under the terms of the MIT License.

Code of Conduct

Everyone interacting in the EasyYAML project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.