reuse ViewNode in Child type

src/platform/web/ui/general/html.ts

@@ -17,9 +17,11 @@ limitations under the License.
 
 // DOM helper functions
 
+import {ViewNode} from "./types";
+
 export type ClassNames<T> = { [className: string]: boolean | ((value: T) => boolean) }
 export type BasicAttributes<T> = { [attribute: string]: ClassNames<T> | boolean | string }
-export type Child = string | Text | Element
+export type Child = string | Text | ViewNode;
 
 export function isChildren(children: object | Child | Child[]): children is Child | Child[] {
     // children should be an not-object (that's the attributes), or a domnode, or an array