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Guice inspired dependency injection
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 Dependencies
 Project Readme

Injected

Simple Guice-inspird dependency injection framework for Ruby

Installation

Add this line to your application's Gemfile:

gem 'injected'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install injected

Usage

require 'injected'

class DemoInterface < Injected::Interface
  interface_method(:demo, :arg1, :arg2, arg3: :default)
end

class DemoImplementation < Injected::Implementation
  implements DemoInterface

  def demo(arg1, arg2, arg3: :default)
    "arg1: #{arg1}; arg2: #{arg2}; arg3: #{arg3}"
  end
end

class DemoService < Injected::Instance
  injected(DemoInterface, :demo_dependency)

  def demo
    demo_dependency.demo(1, 2)
  end
end

injector = Injected::Injector.new(
  DemoInterface => DemoImplementation
)

demo_service = injector.instance(DemoService)
demo_service.demo #=> "arg1: 1; arg2: 2; arg3: default"

# inside demo_service

demo_interface.demo(1, 'two')
# => "arg1: 1; arg2: two; arg3: default"

demo_interface.demo(1, 'two', arg3: :three)
# => "arg1: 1; arg2: two; arg3: three"

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/watmin/injected. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the 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 Ruby::Injected project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.