From 72fcd6e2ce498979b2ae739ef19b244aa354e021 Mon Sep 17 00:00:00 2001
From: "Dominik Schilling (ocean90)" <ocean90@git.wordpress.org>
Date: Tue, 10 Mar 2015 22:44:25 +0000
Subject: [PATCH] Customizer: Prevent a race condition when attempting to
 publish too soon after updating widget form fields with multiple edits.

props westonruter.
fixes #31501.

git-svn-id: https://develop.svn.wordpress.org/trunk@31706 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-admin/js/customize-controls.js | 11 ++++++-----
 src/wp-admin/js/customize-widgets.js  |  4 ++++
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/wp-admin/js/customize-controls.js b/src/wp-admin/js/customize-controls.js
index d5c8746a57..d4acb7c4cd 100644
--- a/src/wp-admin/js/customize-controls.js
+++ b/src/wp-admin/js/customize-controls.js
@@ -2444,10 +2444,7 @@
 			},
 
 			save: function() {
-				var self  = this,
-					query = $.extend( this.query(), {
-						nonce:  this.nonce.save
-					} ),
+				var self = this,
 					processing = api.state( 'processing' ),
 					submitWhenDoneProcessing,
 					submit;
@@ -2455,7 +2452,11 @@
 				body.addClass( 'saving' );
 
 				submit = function () {
-					var request = wp.ajax.post( 'customize_save', query );
+					var request, query;
+					query = $.extend( self.query(), {
+						nonce:  self.nonce.save
+					} );
+					request = wp.ajax.post( 'customize_save', query );
 
 					api.trigger( 'save', request );
 
diff --git a/src/wp-admin/js/customize-widgets.js b/src/wp-admin/js/customize-widgets.js
index ce38de066d..4aea3173fa 100644
--- a/src/wp-admin/js/customize-widgets.js
+++ b/src/wp-admin/js/customize-widgets.js
@@ -1028,7 +1028,11 @@
 			}
 			data += '&' + $widgetContent.find( '~ :input' ).serialize();
 
+			if ( this._previousUpdateRequest ) {
+				this._previousUpdateRequest.abort();
+			}
 			jqxhr = $.post( wp.ajax.settings.url, data );
+			this._previousUpdateRequest = jqxhr;
 
 			jqxhr.done( function( r ) {
 				var message, sanitizedForm,	$sanitizedInputs, hasSameInputsInResponse,