Support for less files

composer.json

@@ -16,7 +16,8 @@
     "packaged/config":     "0.*",
     "symfony/http-kernel": "2.*",
     "symfony/console":     "2.*",
-    "tedivm/jshrink":      "~1.0"
+    "tedivm/jshrink":      "~1.0",
+    "leafo/lessphp":       "0.4.*"
   },
   "require-dev": {
     "phpunit/phpunit": "*"

src/AssetManager.php

@@ -374,4 +374,23 @@ public function requireCss($filename, $options = null)
       );
     }
   }
+
+  /**
+   * Add a less file to the css store
+   *
+   * @param $filename
+   * @param $options
+   */
+  public function requireLess($filename, $options = null)
+  {
+    $filenames = ValueAs::arr($filename);
+    foreach($filenames as $filename)
+    {
+      static::_addToStore(
+        'css',
+        $this->getResourceUri($filename . '.less'),
+        $options
+      );
+    }
+  }
 }

src/AssetResponse.php

@@ -12,6 +12,7 @@ class AssetResponse
     'js'    => 'Javascript',
     'json'  => 'Json',
     'css'   => 'Css',
+    'less'  => 'Less',
     'swf'   => 'Flash',
     'pdf'   => 'Pdf',
     'zip'   => 'Zip',

src/Assets/LessAsset.php

@@ -0,0 +1,21 @@
+<?php
+namespace Packaged\Dispatch\Assets;
+
+class LessAsset extends AbstractDispatchableAsset
+{
+  public function getExtension()
+  {
+    return 'less';
+  }
+
+  public function getContentType()
+  {
+    return "text/css";
+  }
+
+  public function getContent()
+  {
+    $less = new \lessc;
+    return $less->compile(parent::getContent());
+  }
+}

tests/AssetManagerTest.php

@@ -28,11 +28,13 @@ public function testStore()
     $dispatcher->handle($request);
     $manager = \Packaged\Dispatch\AssetManager::assetType();
     $manager->requireCss('test', ['delay' => true]);
+    $manager->requireLess('test');
     $manager->requireJs('test');
 
     $this->assertEquals(
       [
-        '//www.packaged.in/res/p/8cac7/b/76d6c18/test.css' => ['delay' => true]
+        '//www.packaged.in/res/p/8cac7/b/76d6c18/test.css'  => ['delay' => true],
+        '//www.packaged.in/res/p/8cac7/b/2900bb5/test.less' => null
       ],
       \Packaged\Dispatch\AssetManager::getUrisByType('css')
     );

tests/Assets/GenericAssetTest.php

@@ -10,6 +10,7 @@ public function testAsset($ext, \Packaged\Dispatch\Assets\IAsset $class)
     $extType = [
       "ico"   => "image/x-icon",
       "css"   => "text/css",
+      "less"  => "text/css",
       "js"    => "text/javascript",
       "json"  => "application/json",
       "png"   => "image/png",

tests/Assets/LessAssetTest.php

@@ -0,0 +1,62 @@
+<?php
+
+class LessAssetTest extends PHPUnit_Framework_TestCase
+{
+  public function testMinify()
+  {
+    $original = '@base: 24px;
+@border-color: #B2B;
+
+.underline { border-bottom: 1px solid green }
+
+#header {
+  color: black;
+  border: 1px solid @border-color + #222222;
+
+  .navigation {
+    font-size: @base / 2;
+    a {
+      .underline;
+    }
+  }
+  .logo {
+    width: 300px;
+    :hover { text-decoration: none }
+  }
+}
+';
+
+    $expect = '.underline {
+  border-bottom: 1px solid green;
+}
+#header {
+  color: black;
+  border: 1px solid #dd44dd;
+}
+#header .navigation {
+  font-size: 12px;
+}
+#header .navigation a {
+  border-bottom: 1px solid green;
+}
+#header .logo {
+  width: 300px;
+}
+#header .logo :hover {
+  text-decoration: none;
+}
+';
+
+    $asset = new \Packaged\Dispatch\Assets\LessAsset();
+
+    $asset->setContent($original);
+    $this->assertEquals($expect, $asset->getContent());
+  }
+
+  public function testAsset()
+  {
+    $asset = new \Packaged\Dispatch\Assets\LessAsset();
+    $this->assertEquals('less', $asset->getExtension());
+    $this->assertEquals('text/css', $asset->getContentType());
+  }
+}

tests/asset/test.less

@@ -0,0 +1,20 @@
+@base: 24px;
+@border-color: #B2B;
+
+.underline { border-bottom: 1px solid green }
+
+#header {
+  color: black;
+  border: 1px solid @border-color + #222222;
+
+  .navigation {
+    font-size: @base / 2;
+    a {
+      .underline;
+    }
+  }
+  .logo {
+    width: 300px;
+    :hover { text-decoration: none }
+  }
+}