From 47b109b353b3c28f00cfc3d98cee1f77260a1091 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Jan=20Niemier?= <lukasz@niemier.pl>
Date: Sat, 30 Jan 2016 17:58:30 +0100
Subject: [PATCH] Fetch changes from Ximik fork

---
 lib/assets/javascripts/vanilla-ujs/confirm.js |  2 +-
 lib/assets/javascripts/vanilla-ujs/form.js    | 20 ++++++++++++++++
 .../javascripts/vanilla-ujs/liteajax.js       | 24 +++++++++++++------
 3 files changed, 38 insertions(+), 8 deletions(-)
 create mode 100644 lib/assets/javascripts/vanilla-ujs/form.js

diff --git a/lib/assets/javascripts/vanilla-ujs/confirm.js b/lib/assets/javascripts/vanilla-ujs/confirm.js
index a42a845..bdde2ff 100644
--- a/lib/assets/javascripts/vanilla-ujs/confirm.js
+++ b/lib/assets/javascripts/vanilla-ujs/confirm.js
@@ -3,7 +3,7 @@ document.addEventListener('click', function (event) {
 
   element = event.target;
 
-  if (matches.call(element, 'a[data-confirm], button[data-confirm]')) {
+  if (matches.call(element, 'a[data-confirm], button[data-confirm], input[data-confirm]')) {
     message = element.getAttribute('data-confirm');
     if (!confirm(message)) {
       event.stopPropagation();
diff --git a/lib/assets/javascripts/vanilla-ujs/form.js b/lib/assets/javascripts/vanilla-ujs/form.js
new file mode 100644
index 0000000..8639376
--- /dev/null
+++ b/lib/assets/javascripts/vanilla-ujs/form.js
@@ -0,0 +1,20 @@
+document.addEventListener('submit', function(event) {
+
+  var form = event.target;
+
+  if (matches.call(form, 'form[data-remote]')) {
+    url = form.action;
+    method = form.method || form.getAttribute('data-method').toUpperCase() || 'POST';
+    data = new FormData(form);
+
+    if (CSRF.param() && CSRF.token()) {
+      data[CSRF.param()] = CSRF.token();
+    }
+
+    if (LiteAjax.ajax({ url: url, method: method, data: data })){
+      event.preventDefault();
+    } else {
+      return true;
+    }
+  }
+});
diff --git a/lib/assets/javascripts/vanilla-ujs/liteajax.js b/lib/assets/javascripts/vanilla-ujs/liteajax.js
index c213886..54f0524 100644
--- a/lib/assets/javascripts/vanilla-ujs/liteajax.js
+++ b/lib/assets/javascripts/vanilla-ujs/liteajax.js
@@ -3,8 +3,7 @@ var LiteAjax = (function () {
 
   LiteAjax.options = {
     method: 'GET',
-    url: window.location.href,
-    async: true,
+    url: window.location.href
   };
 
   LiteAjax.ajax = function (url, options) {
@@ -15,12 +14,16 @@ var LiteAjax = (function () {
 
     options = options || {};
     url = url || options.url || location.href || '';
+    var data = options.data;
 
-    var xhr;
-
-    xhr = new XMLHttpRequest();
+    var xhr = new XMLHttpRequest();
 
     xhr.addEventListener('load', function () {
+      responseType = xhr.getResponseHeader('content-type');
+      if(responseType === 'text/javascript; charset=utf-8') {
+        eval(xhr.response);
+      }
+
       var event = new CustomEvent('ajaxComplete', {detail: xhr});
       document.dispatchEvent(event);
     });
@@ -41,10 +44,17 @@ var LiteAjax = (function () {
       });
     }
 
-    xhr.open(options.method || 'GET', url, options.async);
+    xhr.open(options.method || 'GET', url);
+    xhr.setRequestHeader('X-Requested-With', 'XmlHttpRequest');
+
+    if(options.json) {
+      xhr.setRequestHeader('Content-type', 'application/json');
+      data = JSON.stringify(data);
+    }
+
     var beforeSend = new CustomEvent('ajax:before', {detail: xhr});
     document.dispatchEvent(beforeSend);
-    xhr.send(options.data);
+    xhr.send(data);
 
     return xhr;
   };