Wrap the document, and handle null

googlearchive · Oct 1, 2014 · a007bcd · a007bcd
1 parent 1f5e073
commit a007bcd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Observer.js b/src/Observer.js
@@ -293,7 +293,7 @@ function handler(mutations) {
 
 function takeRecords(node) {
   // If the optional node is not supplied, assume we mean the whole document.
-  if (node === undefined) node = document;
+  if (!node) node = wrapIfNeeded(document);
 
   // Find the root of the tree, which will be an Document or ShadowRoot.
   while (node.parentNode) {