Webform module and config export

web/modules/contrib/webform/js/webform.ajax.js

@@ -0,0 +1,41 @@
+/**
+ * @file
+ * Javascript behaviors for AJAX.
+ */
+
+(function ($, Drupal) {
+
+  'use strict';
+
+  /**
+   * Scroll to top ajax command.
+   *
+   * @param {Drupal.Ajax} [ajax]
+   *   A {@link Drupal.ajax} object.
+   * @param {object} response
+   *   Ajax response.
+   * @param {string} response.selector
+   *   Selector to use.
+   *
+   * @see  Drupal.AjaxCommands.prototype.webformScrollTop
+   */
+  Drupal.AjaxCommands.prototype.webformScrollTop = function (ajax, response) {
+    // Scroll to the top of the view. This will allow users
+    // to browse newly loaded content after e.g. clicking a pager
+    // link.
+    var offset = $(response.selector).offset();
+    // We can't guarantee that the scrollable object should be
+    // the body, as the view could be embedded in something
+    // more complex such as a modal popup. Recurse up the DOM
+    // and scroll the first element that has a non-zero top.
+    var scrollTarget = response.selector;
+    while ($(scrollTarget).scrollTop() === 0 && $(scrollTarget).parent()) {
+      scrollTarget = $(scrollTarget).parent();
+    }
+    // Only scroll upward.
+    if (offset.top - 10 < $(scrollTarget).scrollTop()) {
+      $(scrollTarget).animate({scrollTop: (offset.top - 10)}, 500);
+    }
+  };
+
+})(jQuery, Drupal);