Update packages/optimizer/lib/transformers/ApplyCommonAttributes.js

Co-authored-by: Weston Ruter <westonruter@google.com>
ampproject · May 13, 2020 · 7fd8734 · 7fd8734
1 parent 681f7e5
commit 7fd8734
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/optimizer/lib/transformers/ApplyCommonAttributes.js b/packages/optimizer/lib/transformers/ApplyCommonAttributes.js
@@ -245,7 +245,7 @@ class ApplyCommonAttributes {
       return node.attribs.id;
     }
     node.attribs = node.attribs || [];
-    node.attribs.id = ID_PREFIX + this.counter;
+    node.attribs.id = ID_PREFIX + this.counter.toString();
     this.counter++;
     return node.attribs.id;
   }