Ensure template instance isn't cached on prototype. Fixes #5096

Polymer · Feb 6, 2018 · 75a9a5f · 75a9a5f
1 parent 9721433
commit 75a9a5f
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/lib/template/templatizer.html b/src/lib/template/templatizer.html
@@ -198,7 +198,9 @@
     },
 
     _customPrepAnnotations: function(archetype, template) {
-      archetype._template = template;
+      // Don't store the actual template instance to avoid leaking; just
+      // store an object referencing its content
+      archetype._template = {_content: template._content};
       var c = template._content;
       if (!c._notes) {
         var rootDataHost = archetype._rootDataHost;