LazyInjector

Use Lazy Injector to define dependencies and inject them into your code.

Installation

Add this line to your application's Gemfile:

gem 'lazy_injector'

And then execute:

$ bundle

Or install it yourself as:

$ gem install lazy_injector

Usage

require 'lazy_injector'
require 'ostruct'

module Dependencies
  include LazyInjector

  register(:wheel_factory) { Struct.new(:axle, :side) }

  register :wheels do
    [
      wheel_factory.new('front', 'left'),
      wheel_factory.new('front', 'right'),
      wheel_factory.new('rear', 'left'),
      wheel_factory.new('rear', 'right')
    ]
  end

  register(:engine) { OpenStruct.new }

  register :car do
    OpenStruct.new(engine: engine, wheels: wheels)
  end
end

include Dependencies

p car

Development

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/alexei-lexx/lazy-injector.

License

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