Detecting documentElement as scrollable parent

Author: sergeylaptev

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-lazy-load",
-  "version": "3.0.3",
+  "version": "3.0.4",
   "description": "Simple lazy loading component built with react",
   "main": "./lib/LazyLoad.js",
   "scripts": {

src/utils/parentScroll.js

@@ -14,11 +14,15 @@ const scrollParent = (element) => {
   let parent = element;
 
   while(parent) {
+    if (parent === document.documentElement || parent !== document.body) {
+      break;
+    }
+
     if (!parent.parentNode) {
-      return window;
+      break;
     }
 
-    if (parent !== document.body && /(scroll|auto)/.test(overflow(parent))) {
+    if (/(scroll|auto)/.test(overflow(parent))) {
       return parent;
     }