Comment on using the ast walker to replace selector

Polymer · Sep 22, 2016 · 9658665 · 9658665
1 parent 44e2946
commit 9658665
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/lib/style-transformer.html b/src/lib/style-transformer.html
@@ -98,10 +98,10 @@
         var cssText = '';
         var cssBuildType = element.__cssBuild;
         var passthrough = settings.useNativeShadow || cssBuildType === 'shady';
-        var cb = callback;
+        var cb;
+        // use the style node visitor callback to update the selector
         if (passthrough) {
           var self = this;
-          //
           cb = function(rule) {
             rule.selector = self._slottedToContent(rule.selector);
             if (callback) {
@@ -119,7 +119,7 @@
           // static shimming work when a proper build exists.
           cssText += (passthrough) ?
             styleUtil.toCssText(rules, cb) :
-            this.css(rules, element.is, element.extends, cb,
+            this.css(rules, element.is, element.extends, callback,
             element._scopeCssViaAttr) + '\n\n';
         }
         return cssText.trim();