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Customize: Prevent widget previewing logic from building invalid jQuery selectors when sidebars are registered without a class name in before_widget.

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Fixes #37993.


git-svn-id: https://develop.svn.wordpress.org/trunk@38577 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Weston Ruter 2016-09-08 15:44:08 +00:00
parent b875264a73
commit 8bae522ea8
1 changed files with 3 additions and 1 deletions
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src/wp-includes/js/customize-preview-widgets.js
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@ -537,7 +537,9 @@ wp.customize.widgetsPreview = wp.customize.WidgetCustomizerPreview = (function(
// Remove class names that incorporate the string formatting placeholders %1$s and %2$s.
widgetClasses = widgetClasses.replace( /\S*%[12]\$s\S*/g, '' );
widgetClasses = widgetClasses.replace( /^\s+|\s+$/g, '' );
if ( widgetClasses ) {
widgetSelector += '.' + widgetClasses.split( /\s+/ ).join( '.' );
}
self.widgetSelectors.push( widgetSelector );
});
};