From a5bc290becffb464a228e6a008b9604ee6847122 Mon Sep 17 00:00:00 2001
From: Vojtech Szocs <vszocs@redhat.com>
Date: Thu, 4 Jul 2019 18:05:22 +0200
Subject: [PATCH] Improve mock localStorage

---
 frontend/__mocks__/localStorage.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/frontend/__mocks__/localStorage.ts b/frontend/__mocks__/localStorage.ts
index e920671557d..c727e8312f0 100644
--- a/frontend/__mocks__/localStorage.ts
+++ b/frontend/__mocks__/localStorage.ts
@@ -1,11 +1,11 @@
 let _localStorage = {};
 
 (window as any).localStorage = (window as any).sessionStorage = {
-  setItem(key, value) {
+  setItem(key: string, value: string) {
     Object.assign(_localStorage, { [key]: value} );
   },
-  getItem(key) {
-    return _localStorage[key] || null;
+  getItem(key: string): string | null {
+    return _localStorage.hasOwnProperty(key) ? _localStorage[key] : null;
   },
   clear() {
     _localStorage = {};