EventSpitter

Like Nodejs' EventEmitter but in Ruby.

Installation

Add this line to your application's Gemfile:

gem 'event_spitter'

And then execute:

$ bundle

Or install it yourself as:

$ gem install event_spitter

Usage

# include EventSpitter in your class.
class Something
  include EventSpitter
end

something = Something.new

# Then add a listener
listener = ->(msg) { puts('msg') }
something.on('greeting', listener)

# Trigger the event
something.emit('greeting', 'hello world')
# => "hello world"

# Add a listener that will fire one time only
one_timer = ->(msg) { puts(msg + ' once') }
something.once('greeting', one_timer)

something.emit('greeting', 'hello world')
# => "hello world"
# => "hello world once"

something.emit('greeting', 'hello world')
# => "hello world"

# Remove a listener
# something.off('greeting', listener)

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Added some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request