dry-initializer

DSL for building class initializer with params and options.

Installation

Add this line to your application's Gemfile:

gem 'dry-initializer'

And then execute:

$ bundle

Or install it yourself as:

$ gem install dry-initializer

Synopsis

require 'dry-initializer'

class User
  extend Dry::Initializer::Mixin

  # Params of the initializer along with corresponding readers
  param  :name
  param  :role, default: proc { 'customer' }
  # Options of the initializer along with corresponding readers
  option :admin, default: proc { false }
end

# Defines the initializer with params and options
user = User.new 'Vladimir', 'admin', admin: true

# Defines readers for single attributes
user.name  # => 'Vladimir'
user.role  # => 'admin'
user.admin # => true

See full documentation on the Dry project official site

Benchmarks

The dry-initializer is pretty fast for rubies 2.2+ comparing to other libraries.

Compatibility

Tested under rubies compatible to MRI 2.2+.

Contributing

• Fork the project
• Create your feature branch (git checkout -b my-new-feature)
• Add tests for it
• Commit your changes (git commit -am '[UPDATE] Add some feature')
• Push to the branch (git push origin my-new-feature)
• Create a new Pull Request

License

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