增加jst缓存支持

lib/jasmine/headless.rb

@@ -24,6 +24,7 @@ module Jasmine
 
     autoload :CoffeeTemplate, 'jasmine/headless/coffee_template'
     autoload :JSTemplate, 'jasmine/headless/js_template'
+    autoload :JSTTemplateCache, 'jasmine/headless/jst_template_cache'
     autoload :JSTTemplate, 'jasmine/headless/jst_template'
     autoload :CSSTemplate, 'jasmine/headless/css_template'
     autoload :NilTemplate, 'jasmine/headless/nil_template'

lib/jasmine/headless/jst_template.rb

@@ -8,7 +8,21 @@ module Jasmine::Headless
         alert_bad_format(file)
         return ''
       end
-      %{<script type="text/javascript">#{super}</script>}
+      begin
+        data = super
+        cache = Jasmine::Headless::JSTTemplateCache.new(file, data)
+
+        source = cache.handle
+        if cache.cached?
+          %{<script type="text/javascript" src="#{cache.cache_file}"></script>
+            <script type="text/javascript">window.CSTF['#{File.split(cache.cache_file).last}'] = '#{file}';</script>}
+        else
+          %{<script type="text/javascript">#{source}</script>}
+        end
+      rescue StandardError => e
+        puts "[%s] Error in compiling file: %s" % [ 'jst'.color(:red), file.color(:yellow) ]
+        raise e
+      end      
     end
   end
 end

lib/jasmine/headless/jst_template_cache.rb

@@ -0,0 +1,26 @@
+require 'sprockets/jst_processor'
+require 'digest/sha1'
+require 'fileutils'
+
+module Jasmine
+  module Headless
+    class JSTTemplateCache < CacheableAction
+
+      def initialize(file, data)
+        @file = file 
+        @data = data
+      end
+
+      class << self
+        def cache_type
+          "jst_template"
+        end
+      end
+
+      def action
+        @data
+      end
+    end
+  end
+end
+