coffeescript filter for haml

.gitignore

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+*.gem
+.bundle
+Gemfile.lock
+pkg/*

Gemfile

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+source "http://rubygems.org"
+
+# Specify your gem's dependencies in coffee-filter.gemspec
+gemspec

MIT-LICENSE

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+Copyright (c) 2011 Paul Nicholson
+
+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.rdoc

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+=== What is coffee-filter?
+Coffee-filter provides a custom haml filter allowing you to inline coffeescript in your haml templates.
+It was inspired by Ivan Nemytchenko's coffee-haml-filter but I wanted an installable gem and "coffeescript" as the filter name.
+
+=== Example
+Haml:
+
+  %div
+    stuff
+    :coffeescript
+      alert 'here'
+
+Html:
+
+  <div>
+    stuff
+    <script type='text/javascript'>
+      //<![CDATA[
+        (function() {
+      alert('here');
+    }).call(this);
+
+      //]]>
+    </script>
+  </div>
+
+=== Installation
+Add the following to your Gemfile:
+
+  gem 'coffee-filter'
+
+
+Copyright (c) 2011 Paul Nicholson, released under the MIT license
+
+

Rakefile

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+require 'bundler'
+Bundler::GemHelper.install_tasks

coffee-filter.gemspec

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+# -*- encoding: utf-8 -*-
+$:.push File.expand_path("../lib", __FILE__)
+require "coffee-filter/version"
+
+Gem::Specification.new do |s|
+  s.name        = "coffee-filter"
+  s.version     = Coffee::Filter::VERSION
+  s.platform    = Gem::Platform::RUBY
+  s.authors     = ["Paul Nicholson"]
+  s.email       = ["paul@webpowerdesign.net"]
+  s.homepage    = "http://github.com/paulnicholson/coffee-filter"
+  s.summary     = %q{CoffeeFilter is a custom haml filter for rendering coffeescript.}
+  s.description = %q{CoffeeFilter is a custom haml filter for rendering coffeescript inside your haml templates. It was inspired by Ivan Nemytchenko's coffee-haml-filter but I wanted an installable gem and coffeescript as the filter name.}
+
+  s.rubyforge_project = "coffee-filter"
+  s.add_dependency('haml', '>= 3.0.18')
+  s.add_dependency('coffee-script', '>= 2.2.0')
+
+  s.files         = `git ls-files`.split("\n")
+  s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
+  s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
+  s.require_paths = ["lib"]
+end

lib/coffee-filter.rb

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+require 'coffee-filter/coffeescript'
+
+module Coffee
+  module Filter
+  end
+end

lib/coffee-filter/coffeescript.rb

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+module Coffee
+  module Filter
+    module Coffeescript
+      include Haml::Filters::Base
+
+      lazy_require 'coffee-script'
+
+      def render_with_options(text, options)
+        <<END
+<script type=#{options[:attr_wrapper]}text/javascript#{options[:attr_wrapper]}>
+  //<![CDATA[
+    #{CoffeeScript.compile(text)}
+  //]]>
+</script>
+END
+      end
+    end
+  end
+end
+

lib/coffee-filter/version.rb

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+module Coffee
+  module Filter
+    VERSION = "0.1.0"
+  end
+end