Moved DOM objects to helper module

src/common/dom_helper.js

@@ -0,0 +1,21 @@
+const hasWindow = typeof window !== 'undefined';
+const windowRef = hasWindow ? window : {};
+
+const windowObjects = [
+    "MediaStream",
+    "HTMLImageElement",
+    "HTMLVideoElement",
+    "HTMLCanvasElement",
+    "FileList",
+    "File",
+    "URL"
+];
+
+const DOMHelper = windowObjects.reduce((result, obj) => {
+    return {
+        ...result,
+        [obj]: obj in windowRef ? windowRef[obj] : () => {}
+    };
+}, {});
+
+export default DOMHelper;