Merge branch 'Ionut-Milas-master'

Author: fritz-c

src/util.js

@@ -28,15 +28,23 @@ export function translate(str, replaceStrings = null) {
 
 
 export function getWindowWidth() {
-    return window.innerWidth ||
+    if (typeof window === 'undefined') {
+        return 0;
+    } else {
+        return window.innerWidth ||
         document.documentElement.clientWidth ||
         document.body.clientWidth;
+    }
 }
 
 export function getWindowHeight() {
+    if (typeof window === 'undefined') {
+        return 0;
+    } else {
     return window.innerHeight ||
         document.documentElement.clientHeight ||
         document.body.clientHeight;
+    }
 }
 
 // Returns true if this window is rendered as an iframe inside another window