lib/jasmine/headless.rb

@@ -2,6 +2,9 @@ require 'pathname'
 
 module Jasmine
   module Headless
+    
+    EXCLUDED_FORMATS = %w{less sass scss erb str}
+    
     autoload :CommandLine, 'jasmine/headless/command_line'
 
     autoload :CoffeeScriptCache, 'jasmine/headless/coffee_script_cache'
@@ -17,10 +20,13 @@ module Jasmine
 
     autoload :TemplateWriter, 'jasmine/headless/template_writer'
     
+    autoload :FileChecker, 'jasmine/headless/file_checker'
+
     autoload :CoffeeTemplate, 'jasmine/headless/coffee_template'
     autoload :JSTemplate, 'jasmine/headless/js_template'
     autoload :JSTTemplate, 'jasmine/headless/jst_template'
     autoload :CSSTemplate, 'jasmine/headless/css_template'
+    autoload :NilTemplate, 'jasmine/headless/nil_template'
 
     autoload :Report, 'jasmine/headless/report'
     autoload :ReportMessage, 'jasmine/headless/report_message'

lib/jasmine/headless/coffee_template.rb

@@ -3,11 +3,17 @@ require 'rainbow'
 
 module Jasmine::Headless
   class CoffeeTemplate < Tilt::Template
+    include Jasmine::Headless::FileChecker
+    
     self.default_mime_type = 'application/javascript'
 
     def prepare ; end
 
     def evaluate(scope, locals, &block)
+      if bad_format?(file)
+        alert_bad_format(file)
+        return ''
+      end
       begin
         cache = Jasmine::Headless::CoffeeScriptCache.new(file)
         source = cache.handle

lib/jasmine/headless/css_template.rb

@@ -2,11 +2,16 @@ require 'tilt/template'
 
 module Jasmine::Headless
   class CSSTemplate < Tilt::Template
+    include Jasmine::Headless::FileChecker
     self.default_mime_type = 'text/css'
 
     def prepare ; end
 
     def evaluate(scope, locals, &block)
+      if bad_format?(file)
+        alert_bad_format(file)
+        return ''
+      end
       file ? %{<link rel="stylesheet" href="#{file}" type="text/css" />} : data
     end
   end

lib/jasmine/headless/file_checker.rb

@@ -0,0 +1,10 @@
+module Jasmine::Headless::FileChecker
+  def bad_format?(file)
+    return if file.nil?
+    ::Jasmine::Headless::EXCLUDED_FORMATS.any? {|format| file.include?(".#{format}") }
+  end
+  
+  def alert_bad_format(file)
+    puts "[%s] %s: %s" % [ 'Skipping File'.color(:red), file.color(:yellow), "unsupported format".color(:white) ]
+  end
+end

lib/jasmine/headless/files_list.rb

@@ -6,6 +6,7 @@ require 'sprockets'
 require 'sprockets/engines'
 
 module Jasmine::Headless
+  
   class FilesList
     class << self
       def vendor_asset_paths
@@ -39,8 +40,8 @@ module Jasmine::Headless
 
         # ...and unregister ones we don't want/need
         Sprockets.instance_eval do
-          %w{less sass scss erb str}.each do |extension|
-            @engines.delete(".#{extension}")
+         EXCLUDED_FORMATS.each do |extension|
+            register_engine ".#{extension}", Jasmine::Headless::NilTemplate
           end
 
           register_engine '.coffee', Jasmine::Headless::CoffeeTemplate

lib/jasmine/headless/js_template.rb

@@ -2,11 +2,16 @@ require 'tilt/template'
 
 module Jasmine::Headless
   class JSTemplate < Tilt::Template
+    include Jasmine::Headless::FileChecker
     self.default_mime_type = 'application/javascript'
 
     def prepare ; end
 
     def evaluate(scope, locals, &block)
+      if bad_format?(file)
+        alert_bad_format(file)
+        return ''
+      end
       if data[%r{^<script type="text/javascript"}]
         data
       else

lib/jasmine/headless/jst_template.rb

@@ -2,7 +2,12 @@ require 'sprockets/jst_processor'
 
 module Jasmine::Headless
   class JSTTemplate < Sprockets::JstProcessor
+    include Jasmine::Headless::FileChecker
     def evaluate(*args)
+      if bad_format?(file)
+        alert_bad_format(file)
+        return ''
+      end
       %{<script type="text/javascript">#{super}</script>}
     end
   end

lib/jasmine/headless/nil_template.rb

@@ -0,0 +1,14 @@
+require 'tilt/template'
+require 'rainbow'
+
+module Jasmine::Headless
+  class NilTemplate < Tilt::Template
+    
+    def prepare ; end
+
+    def evaluate(scope, locals, &block)
+      return ''
+    end
+  end
+end
+

spec/integration/sprockets_spec.rb

@@ -4,8 +4,8 @@ describe 'sprockets' do
   it 'should pull in the code via sprockets' do
     files = %x{bin/jasmine-headless-webkit -l -j spec/jasmine/with_sprockets_includes/with_sprockets_includes.yml}
     $?.exitstatus.should == 0
-
     files.lines.to_a.should contain_in_order_in_file_list(
+      'assets/application.js.erb: unsupported format',
       'vendor/assets/javascripts/jquery.js',
       'templates/that.jst.ejs',
       'templates/this.jst',

spec/lib/jasmine/headless/file_checker_spec.rb

@@ -0,0 +1,22 @@
+require 'spec_helper'
+
+describe Jasmine::Headless::FileChecker do
+  include FakeFS::SpecHelpers
+  
+  let(:test_class) do
+    object = Object.new
+    object.class.send(:include, Jasmine::Headless::FileChecker)
+    object
+  end
+  
+  context "bad_format?" do
+    it "should return false wth correct format" do
+      test_class.bad_format?('foobar.js').should be_false
+    end
+    it "should return false wth wrong format" do
+      test_class.bad_format?('foobar.js.erb').should be_true
+    end
+  end
+  
+
+end

spec/lib/jasmine/headless/nil_template_spec.rb

@@ -0,0 +1,31 @@
+require 'spec_helper'
+
+describe Jasmine::Headless::NilTemplate do
+  include FakeFS::SpecHelpers
+
+  let(:template) { described_class.new(file) { data } }
+  let(:file) { 'file' }
+  let(:data) { '' }
+
+  subject { template.render }
+
+  before do
+    File.open(file, 'wb') if file
+  end
+
+  context "no file'" do
+    let(:file) { nil }
+
+    it { should == data }
+  end
+
+  context 'file' do
+    it { should == '' }
+  end
+
+  context 'script as first thing' do
+    let(:data) { '' }
+
+    it { should == data }
+  end
+end