Use less builtin compression

README.md

@@ -57,7 +57,7 @@ In order to include links to your assets you may use the link-to-asset function.
 ## Configuration Options
 
     :engine     :rhino                  ; defaults to :rhino; :v8 is much much faster
-    :compress   false                   ; minify using Google Closure Compiler
+    :compress   false                   ; minify using Google Closure Compiler & Less compression
     :asset-roots ["resources"]          ; must have a folder called 'assets'. Searched for assets in the order listed.
     :cache-root "resources/asset-cache" ; compiled assets are cached here
     :cache-mode :development            ; or :production. :development disables cacheing
@@ -113,4 +113,4 @@ Distributed under the Eclipse Public License, the same as Clojure.
 * Add mime type headers for dieter files
 
 ### Version 0.2.0
-* Handlebars templates are now a separate library. [dieter-ember](https://github.com/edgecase/dieter-ember)
+* Handlebars templates are now a separate library. [dieter-ember](https://github.com/edgecase/dieter-ember)

dieter-core/resources/vendor/less-wrapper.js

@@ -30,9 +30,9 @@ function loadStyleSheet(sheet, callback, reload, remaining) {
     });
 }
 
-function compileLess(input, name) {
+function compileLess(input, name, shouldCompress) {
     var output,
-        compress = false,
+        compress = shouldCompress,
         i;
 
     startingName = name;
@@ -49,9 +49,17 @@ function compileLess(input, name) {
         var parser = new less.Parser();
         parser.parse(input, function (e, root) {
             if (e) { throw(e); }
-            result = root.toCSS();
+          result = root.toCSS({compress: compress});
         });
     }
     catch(e) { throw format_error(e); }
     return result;
 };
+
+function compileLessNoCompress(input, name) {
+  return compileLess(input, name, false);
+}
+
+function compileLessCompress(input, name) {
+  return compileLess(input, name, true);
+}

dieter-core/src/dieter/asset/less.clj

@@ -12,7 +12,7 @@
                 (if (-> settings/*settings* :engine (= :rhino))
                   ["less-rhino-wrapper.js" "less-wrapper.js" "less-rhino-1.3.3.js"]
                   ["less-wrapper.js" "less-rhino-1.3.3.js"])
-                "compileLess"
+                (if (settings/compress?) "compileLessCompress" "compileLessNoCompress")
                 file))
 
 (defrecord Less [file]

dieter-core/test/dieter/test/asset/less.clj

@@ -1,19 +1,22 @@
 (ns dieter.test.asset.less
   (:require [clojure.java.io :as io]
             [dieter.asset.less :as less]
+            [dieter.settings :as settings]
             [dieter.test.helpers :as h])
   (:use clojure.test))
 
 (deftest test-preprocess-less
-  (testing "basic less file"
+  (settings/with-options
+   {:compress false}
+   (testing "basic less file"
     (is (= "#header {\n  color: #4d926f;\n}\n" (less/preprocess-less (io/file "test/fixtures/assets/stylesheets/basic.less")))))
-  (testing "file with imports"
+   (testing "file with imports"
     (is (= "#includee {\n  color: white;\n}\n#includee-three {\n  color: white;\n}\n#includee-two {\n  color: white;\n}\n#includer {\n  color: black;\n}\n"
            (less/preprocess-less (io/file "test/fixtures/assets/stylesheets/includes.less")))))
-  (testing "bad less syntax"
+   (testing "bad less syntax"
     (try
       (less/preprocess-less (io/file "test/fixtures/assets/stylesheets/bad.less"))
       (is false) ; test it throws
       (catch Exception e
         (is (h/has-text? (.toString e) "Syntax Error on line 1"))
-        (is (h/has-text? (.toString e) "@import \"includeme.less\""))))))
+        (is (h/has-text? (.toString e) "@import \"includeme.less\"")))))))