Use module name instead of path

resources/assets/js/bootstrap.js

@@ -8,7 +8,7 @@ window._ = require('lodash');
  */
 
 window.$ = window.jQuery = require('jquery');
-require('bootstrap-sass/assets/javascripts/bootstrap');
+require('bootstrap-sass');
 
 /**
  * Vue is a modern JavaScript library for building interactive web interfaces