fix compatibility: polyfill device storage "getFilesAndDirectories" method

src/js/utils.js

@@ -2,7 +2,7 @@ import store from 'store';
 import { show } from 'actions/dialog';
 
 export function type(obj) {
-  return Object.prototype.toString.call(obj).slice(8, -1);
+  return obj.toString().slice(8, -1);
 }
 
 export function template(string, props) {
@@ -26,6 +26,7 @@ export function getKey(object = store.getState().toJS(), key) {
 }
 
 export function reportError(err) {
+  console.error(err);
   let action = show('errorDialog', {description: err.message});
   store.dispatch(action);
 }