Set up a fresh Laravel app

resources/js/app.js

@@ -0,0 +1 @@
+import './bootstrap';

resources/js/bootstrap.js

@@ -0,0 +1,4 @@
+import axios from 'axios';
+window.axios = axios;
+
+window.axios.defaults.headers.common['X-Requested-With'] = 'XMLHttpRequest';