Added Node | ChildNode type to avoid errors caused by update to Types… (#385)

Author: appzuka

CONTRIBUTORS

@@ -5,3 +5,4 @@ Sepand Parhami <[email protected]>
 Justin Ridgewell <[email protected]>
 Markus Kobler <[email protected]>
 Jader Tao <[email protected]>
+Nick Excell <[email protected]>

src/node_data.ts

@@ -120,7 +120,7 @@ function importSingleNode(node: Node, fallbackKey?: Key) {
 function importNode(node: Node) {
   importSingleNode(node);
 
-  for (let child = node.firstChild; child; child = child.nextSibling) {
+  for (let child: Node|null = node.firstChild; child; child = child.nextSibling) {
     importNode(child);
   }
 }
@@ -131,12 +131,11 @@ function importNode(node: Node) {
 function clearCache(node: Node) {
   node['__incrementalDOMData'] = null;
 
-  for (let child = node.firstChild; child; child = child.nextSibling) {
+  for (let child: Node|null = node.firstChild; child; child = child.nextSibling) {
     clearCache(child);
   }
 }
 
-
 /**
  * Records the element's attributes.
  * @param node The Element that may have attributes