fix options default

index.js

@@ -8,10 +8,12 @@ const path = require('path');
  * @param {string} modulefolder folder that contains all modules
  * @param {{opts: any, subdir: string, verbose: boolean}} options
  */
-module.exports = function (app, modulefolder, options) {
-  let { opts, subdir, verbose } = options;
-  if (typeof subdir === 'undefined') subdir = '';
-  if (typeof verbose === 'undefined') verbose = false;
+module.exports = function (
+  app,
+  modulefolder,
+  options = { opts: undefined, subdir: '', verbose: false }
+) {
+  const { opts, subdir, verbose } = options;
 
   for (const f of fs.readdirSync(modulefolder)) {
     const regex = /(.*?)-(.*?)\.js/;