update doNotify and add doHideNotification

src/redux/selectors/notifications.js

@@ -2,7 +2,29 @@ import { createSelector } from 'reselect';
 
 export const selectState = state => state.notifications || {};
 
-export const selectNotification = createSelector(
+export const selectNotificationData = createSelector(
   selectState,
   state => (state.queue.length > 0 ? state.queue[0] : {})
 );
+
+export const selectNotification = createSelector(
+  selectNotificationData,
+  notificationData => notificationData.notification
+);
+
+export const selectNotificationProps = createSelector(
+  selectNotificationData,
+  notificationData => notificationData.notificationProps
+);
+
+export const selectSnack = createSelector(
+  // No props for snackbar
+  selectNotification,
+  notification => {
+    if (notification && notification.displayType) {
+      return notification.displayType.indexOf('snackbar') > -1 ? notification : undefined;
+    }
+
+    return undefined;
+  }
+);