Added in Dean Edwards' JavaScript Packer

composer.json

@@ -23,6 +23,18 @@
         "leafo/scssphp": "*",
         "tedivm/jshrink": "*",
         "imagine/Imagine": "*",
-        "coffeescript/coffeescript": "1.3.*"
-    }
+        "coffeescript/coffeescript": "*",
+        "joliclic/javascript-packer": "*"
+    },
+    "repositories": [
+        {
+            "type": "package",
+            "package": {
+                "name": "joliclic/javascript-packer",
+                "version": "1.1",
+                "dist": { "url": "http://joliclic.free.fr/php/javascript-packer/telechargement.php?id=2&action=telecharger", "type": "zip" },
+                "autoload": { "classmap": [ "class.JavaScriptPacker.php" ] }
+            }
+        }
+    ]
 }

src/Munee/Asset/Filter/JavaScript/Packer.php

@@ -0,0 +1,63 @@
+<?php
+/**
+ * Munee: Optimising Your Assets
+ *
+ * @copyright Cody Lundquist 2013
+ * @license http://opensource.org/licenses/mit-license.php
+ */
+
+namespace Munee\Asset\Filter\JavaScript;
+
+use Munee\Asset\Filter;
+use \JavaScriptPacker;
+
+/**
+ * Dean Edwards' Packer Filter for JavaScript
+ *
+ * @author Cody Lundquist
+ */
+class Packer extends Filter
+{
+    /**
+     * @var array
+     */
+    protected $_allowedParams = array(
+        'packer' => array(
+            'regex' => 'true|false|t|f|yes|no|y|n',
+            'default' => 'false',
+            'cast' => 'boolean'
+        )
+    );
+
+    /**
+     * @var array
+     */
+    protected $_defaultOptions = array(
+        'encoding' => 62,
+        'fastDecode' => true,
+        'specialChars' => false
+    );
+
+    /**
+     * JavaScript Packer
+     *
+     * @param string $file
+     * @param array $arguments
+     * @param array $javaScriptOptions
+     *
+     * @return void
+     */
+    public function doFilter($file, $arguments, $javaScriptOptions)
+    {
+        $userOptions = isset($javaScriptOptions['packer']) ? $javaScriptOptions['packer'] : array();
+        $options = array_merge($this->_defaultOptions, $userOptions);
+
+        if (! $arguments['packer']) {
+            return;
+        }
+
+        $content = file_get_contents($file);
+        $packer = new JavaScriptPacker($content, $options['encoding'], $options['fastDecode'], $options['specialChars']);
+        file_put_contents($file, $packer->pack());
+    }
+}