Remove a comment from script

Fixes #3.

lib/hamlit/parsers/script.rb

@@ -70,7 +70,16 @@ module Hamlit
           scanner = StringScanner.new(current_line)
           code += ' '
         end
-        code
+        remove_comment(code)
+      end
+
+      def remove_comment(code)
+        result = ''
+        Ripper.lex(code).each do |(row, col), type, str|
+          next if type == :on_comment
+          result += str
+        end
+        result
       end
 
       def has_block?

spec/hamlit/engine/script_spec.rb

@@ -10,6 +10,17 @@ describe Hamlit::Engine do
       HTML
     end
 
+    it 'renders one-line script with comment' do
+      assert_render(<<-HAML, <<-HTML)
+        = '#' + "#" # = 3 #
+        = ['#',
+          "#"]  # comment
+      HAML
+        ##
+        ["#", "#"]
+      HTML
+    end
+
     it 'renders multi-lines script' do
       assert_render(<<-HAML, <<-HTML)
         %span