initial commit

.gitignore

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+*.gem
+*.rbc
+.bundle
+.config
+.yardoc
+Gemfile.lock
+InstalledFiles
+_yardoc
+coverage
+doc/
+lib/bundler/man
+pkg
+rdoc
+spec/reports
+test/tmp
+test/version_tmp
+tmp

Gemfile

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+source 'https://rubygems.org'
+
+# Specify your gem's dependencies in rack-emstream.gemspec
+gemspec

LICENSE

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+Copyright (c) 2012 John Bintz
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# Rack::Emstream
+
+TODO: Write a gem description
+
+## Installation
+
+Add this line to your application's Gemfile:
+
+    gem 'rack-emstream'
+
+And then execute:
+
+    $ bundle
+
+Or install it yourself as:
+
+    $ gem install rack-emstream
+
+## Usage
+
+TODO: Write usage instructions here
+
+## 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

Rakefile

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+#!/usr/bin/env rake
+require "bundler/gem_tasks"

lib/rack-emstream.rb

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+require 'eventmachine'
+
+module Rack
+  class EMStream
+    include EventMachine::Deferrable
+
+    def initialize(app)
+      @app = app
+    end
+
+    def each(&b)
+      @callback = b
+    end
+
+    def call(env)
+      dup._call(env)
+    end
+
+    def _call(env)
+      result = @app.call(env)
+
+      EM.next_tick {
+        env['async.callback'].call [ result[0], result[1], self ]
+
+        result[2].each { |data| EM.next_tick { @callback.call(data) } }
+        EM.next_tick { succeed }
+      }
+
+      throw :async
+    end
+  end
+end
+

lib/rack-emstream/version.rb

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+module Rack
+  module Emstream
+    VERSION = "0.0.1"
+  end
+end

rack-emstream.gemspec

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+# -*- encoding: utf-8 -*-
+require File.expand_path('../lib/rack-emstream/version', __FILE__)
+
+Gem::Specification.new do |gem|
+  gem.authors       = ["John Bintz"]
+  gem.email         = ["john@coswellproductions.com"]
+  gem.description   = %q{TODO: Write a gem description}
+  gem.summary       = %q{TODO: Write a gem summary}
+  gem.homepage      = ""
+
+  gem.files         = `git ls-files`.split($\)
+  gem.executables   = gem.files.grep(%r{^bin/}).map{ |f| File.basename(f) }
+  gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
+  gem.name          = "rack-emstream"
+  gem.require_paths = ["lib"]
+  gem.version       = Rack::Emstream::VERSION
+
+  gem.require_dependency 'eventmachine'
+end