Added js docs and reduced parameters

Author: Gabriel Galvao da Gama

app/code/Magento/Customer/view/frontend/web/js/customer-data.js

@@ -358,7 +358,13 @@ define([
             return deferred.promise();
         },
 
-        onAjaxComplete: function(event, xhr, settings) {
+        /**
+         * Reload sections on ajax complete
+         *
+         * @param {Object} jsonResponse
+         * @param {Object} settings
+         */
+        onAjaxComplete: function(jsonResponse, settings) {
             var sections,
                 redirects;
 
@@ -369,7 +375,7 @@ define([
                     this.invalidate(sections);
                     redirects = ['redirect', 'backUrl'];
 
-                    if (_.isObject(xhr.responseJSON) && !_.isEmpty(_.pick(xhr.responseJSON, redirects))) { //eslint-disable-line
+                    if (_.isObject(jsonResponse) && !_.isEmpty(_.pick(jsonResponse, redirects))) { //eslint-disable-line
                         return;
                     }
                     this.reload(sections, true);
@@ -395,7 +401,7 @@ define([
      * Events listener
      */
     $(document).on('ajaxComplete', function (event, xhr, settings) {
-        customerData.onAjaxComplete(event, xhr, settings);
+        customerData.onAjaxComplete(xhr.responseJSON, settings);
     });
 
     /**

dev/tests/js/jasmine/tests/app/code/Magento/Customer/frontend/js/customer-data.test.js

@@ -512,17 +512,16 @@ define([
 
         describe('"onAjaxComplete" method', function () {
             it('Should not trigger reload if sections is empty', function () {
-                var event, xhr, settings;
+                var jsonResponse, settings;
 
-                event = jasmine.createSpy().and.returnValue($.event);
-                xhr = jasmine.createSpy();
+                jsonResponse = jasmine.createSpy();
                 spyOn(sectionConfig, 'getAffectedSections').and.returnValue([]);
                 spyOn(obj, 'reload');
                 settings = {
                     type: "POST",
                     url: "http://test.local"
                 };
-                obj.onAjaxComplete(event, xhr, settings);
+                obj.onAjaxComplete(jsonResponse, settings);
                 expect(obj.reload).not.toHaveBeenCalled();
             });
         });