lib/glimmer/css/css_minifier.rb in glimmer-dsl-css-1.4.1 vs lib/glimmer/css/css_minifier.rb in glimmer-dsl-css-1.5.0

@@ -17,12 +17,17 @@
 # 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.
 
+require 'singleton'
+
 module Glimmer
   module CSS
+    # A very rudimentary CSS minifier. It does not minify CSS completely at the moment.
     class CSSMinifier
+      include Singleton
+      
       def convert(css)
         css.lines.map(&:chomp).map(&:strip).join
       end
     end
   end