🐛 fix object merging

Author: ctcpip

lib/generic-parser.js

@@ -35,20 +35,9 @@ module.exports = generic
  */
 
 function generic (parserOptions, parserOverrides) {
-  var opts = {}
-
   // Squash the options and the overrides down into one object
-  var squashKey
-  for (squashKey in (parserOptions || {})) {
-    if (Object.prototype.hasOwnProperty.call(parserOptions, squashKey)) {
-      opts[squashKey] = parserOptions[squashKey]
-    }
-  }
-  for (squashKey in (parserOverrides || {})) {
-    if (Object.prototype.hasOwnProperty.call(parserOverrides, squashKey)) {
-      opts[squashKey] = parserOverrides[squashKey]
-    }
-  }
+  var opts = Object.create(parserOptions)
+  Object.assign(opts, parserOverrides)
 
   var limit = typeof opts.limit !== 'number'
     ? bytes.parse(opts.limit || '100kb')