definicao de layout

public/assets/js/form-validation-custom.js

@@ -0,0 +1,16 @@
+"use strict";
+(function() {
+        'use strict';
+        window.addEventListener('load', function() {
+            var forms = document.getElementsByClassName('needs-validation');
+            var validation = Array.prototype.filter.call(forms, function(form) {
+                form.addEventListener('submit', function(event) {
+                    if (form.checkValidity() === false) {
+                        event.preventDefault();
+                        event.stopPropagation();
+                    }
+                    form.classList.add('was-validated');
+                }, false);
+            });
+        }, false);
+})();