caching-vanilla.coffee

cache: (file) ->
  @test file, =>
    file.group: @name
    @getPreparedContent file, =>
      @resolveDependencies file, =>
        @emit "resolvedDependencies", file
        @backend.set file, (err) => 
          sys.puts "Could not cache file $file.path" if err
          @emit "cachedFile", file

caching.coffee

cache: (file) ->
  defer @test file
  file.group: @name
  defer @getPreparedContent file
  defer @resolveDependencies file
  @emit "resolvedDependencies", file
  err: defer @backend.set file
  sys.puts "Could not cache file $file.path" if err
  @emit "cachedFile", file