Added filename support to filter function so stylus imports can work

lib/index.js

@@ -131,8 +131,9 @@ Crsh.stylus = function () {
     var self = this;
     this.addType('css', 'styl')
 
-    return function (file, next) {
+    return function (file, filename, next) {
       stylus(file)
+        .set('filename', filename)
         .set('paths', self.path)
         .set('compress', isProd)
         .set('filename', 'style.styl')
@@ -274,6 +275,7 @@ Crsh.prototype.remove = function (f) {
   return this
 }
 
+
 /**
  * Applies input filters to file map
  */
@@ -284,11 +286,23 @@ Crsh.prototype.applyInputFilters = function (files, cb) {
   var filters = this.list.map(function (file) {
     var fn = self.findFilter(path.extname(file))
     return function (next) {
+      // Convert buffers to strings
       files[file] = files[file].toString()
-      fn(files[file], function (err, data) {
+
+      // Create dynamic arg list
+      var args = [files[file]]
+
+      // Add filename, if callback accepts it
+      (fn.length === 3) && args.push(file)
+
+      // Add receiver function
+      args.push(function (err, data) {
         err || (files[file] = data)
         next(err)
       })
+
+      // Execute
+      fn.apply(null, args)
     }
   })
 
@@ -313,6 +327,7 @@ Crsh.prototype.compile = function (cb) {
   Files.load(list, function (err, files) {
     if (err) cb(err)
 
+    // Run through matching input filters
     self.applyInputFilters(files, function (err, filteredFiles) {
       if (err) { return cb(err) }
 

package.json

@@ -2,7 +2,7 @@
   "author": "Stephen Belanger <admin@stephenbelanger.com> (http://stephenbelanger.com)",
   "name": "crsh",
   "description": "crsh your javascript and css into tiny blocks.",
-  "version": "0.2.1",
+  "version": "0.2.3",
   "repository": {
     "url": "git://github.com/Qard/crsh.git"
   },