Ticket #20337: 20337.patch

wp-includes/js/customize-loader.dev.js

@@ -21 +21 @@
                 open: function( params ) {
                         params.customize = 'on';
 
+                        window.location.hash = '#customize';
+
+                        var hash = window.location.hash;
+                        setInterval( function() {
+                                if ( window.location.hash != hash )
+                                        Loader.close();
+                        }, 100);
+
                         this.iframe = $( '<iframe />', {
                                 src: this.base + '?' + jQuery.param( params )
                         }).appendTo( this.element );
@@ -31 +39 @@
                 },
                 close: function() {
                         this.element.fadeOut( 200, function() {
-                                Loader.iframe.remove();
+                                if ( Loader.iframe )
+                                        Loader.iframe.remove();
                                 Loader.iframe = null;
                                 Loader.body.removeClass( 'customize-active full-overlay-active' );
                         });