Don't clobber

Author: fabien

lib/filemanager.js

@@ -3,16 +3,16 @@ var _ = require('lodash'),
     path = require('path'),
     mkdirp = require('mkdirp');
 
-module.exports = function (middleware, options) {
+module.exports = function (middleware, opts) {
 
-    options = _.extend({
+    options = _.extend({}, {
         targetDir: function () {
-            return options.uploadDir();
+            return opts.uploadDir();
         },
         targetUrl: function () {
-            return options.uploadUrl();
+            return opts.uploadUrl();
         }
-    }, options);
+    }, opts);
 
     _.each(['targetDir', 'targetUrl'], function (key) {
         if (!_.isFunction(options[key])) {