in with the new

src/core/window.js

@@ -0,0 +1,20 @@
+var win = {
+  location: {},
+  history: {},
+  open: () => {},
+  close: () => {}
+}
+
+try {
+  win = window
+  var props = ["File", "Blob", "FormData"]
+  for (var prop of props) {
+    if (prop in window) {
+      win[prop] = window[prop]
+    }
+  }
+} catch( e ) {
+  console.error(e)
+}
+
+export default win