Fix eslint errors

lib/storage-handler.js

@@ -94,15 +94,14 @@ exports.upload = function(provider, req, res, options, cb) {
     this._flushing++;
 
     var fileName = part.filename;
-    var useDefaultname = (typeof defaultOptions.defaultImageName != 'undefined' ?
-     true : false);
+    var useDefaultname = (typeof defaultOptions.defaultImageName != 'undefined');
 
     var file = {
       container: container,
       name: (isImage(path.extname(fileName)) && useDefaultname ?
         defaultOptions.defaultImageName + path.extname(fileName) : fileName),
       type: part.mime,
-      field: part.name
+      field: part.name,
     };
 
     // Options for this file

test/upload-download.test.js

@@ -52,20 +52,19 @@ app.post('/custom/uploadWithContainer', function(req, res, next) {
 // custom route with renamer
 app.post('/custom/upload', function(req, res, next) {
   var options = {
-      container : 'album1',
-      getFilename : function(file, req, res) {
-        return file.field + "_" +file.name;
-      }
+    container: 'album1',
+    getFilename: function(file, req, res) {
+      return file.field + '_' + file.name;
+    },
   };
-  ds.connector.upload(req, res, options, function(err,result){
-    if (!err){
+  ds.connector.upload(req, res, options, function(err, result) {
+    if (!err) {
       res.setHeader('Content-Type', 'application/json');
-      res.status(200).send({ result : result });
-    }else{
+      res.status(200).send({result: result});
+    } else {
       res.status(500).send(err);
     }
   });
-
 });
 
 // custom route with renamer