Add coffee-script.

Gemfile.lock

@@ -16,8 +16,14 @@ GEM
   remote: http://rubygems.org/
   specs:
     activesupport (3.0.7)
+    coffee-script (2.2.0)
+      coffee-script-source
+      execjs
+    coffee-script-source (1.1.1)
     daemons (1.1.3)
     eventmachine (0.12.10)
+    execjs (1.0.0)
+      multi_json (~> 1.0)
     haml (3.1.1)
     i18n (0.6.0)
     json (1.5.1)
@@ -26,6 +32,7 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.16)
+    multi_json (1.0.3)
     polyglot (0.3.1)
     rack (1.3.0)
     sass (3.1.1)
@@ -48,5 +55,6 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  coffee-script (~> 2.2)
   mailcatcher!
   sass (~> 3.1)

Rakefile

@@ -25,9 +25,18 @@ task "build:sass" do
   end
 end
 
+desc "Compile CoffeeScript files into JavaScript"
+task "build:coffee" do
+  require 'coffee-script'
+  Dir["public/javascripts/**/*.coffee"].each do |file|
+    js_file = file.sub /\.coffee$/, ".js"
+    File.new(js_file, "w").write CoffeeScript.compile File.read file
+  end
+end
+
 task "build:rdoc" => "rdoc"
 
-multitask "build" => ["build:sass", "build:rdoc"]
+multitask "build" => ["build:sass", "build:coffee", "build:rdoc"]
 
 desc "Package as Gem"
 task "package:gem" do

mailcatcher.gemspec

@@ -39,4 +39,5 @@ Gem::Specification.new do |s|
   s.add_dependency "json",          "~> 1.0"
 
   s.add_development_dependency "sass", "~> 3.1"
+  s.add_development_dependency "coffee-script", "~> 2.2"
 end