From f42fdcceafebba242ccb921337bd9557e116c4fc Mon Sep 17 00:00:00 2001
From: Mingwei Peng <mingw.peng@gmail.com>
Date: Mon, 18 Mar 2019 10:32:50 +1100
Subject: [PATCH] add missing import statement to fix the error when delete a
 document.

---
 src/itemService.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/itemService.js b/src/itemService.js
index c8e0647..e229b87 100644
--- a/src/itemService.js
+++ b/src/itemService.js
@@ -1,5 +1,6 @@
 import { deferred } from './deferred';
 import { log } from 'util';
+import * as firebase from 'firebase';
 
 export const itemService = {
 	async getItem(id) {