From 24ce3606a36af6eec709fa45af33cf6e53417c6d Mon Sep 17 00:00:00 2001
From: Ariel Salem <Asalem1@users.noreply.github.com>
Date: Fri, 22 May 2020 10:13:17 -0700
Subject: [PATCH] chore(hb_parse_error): created a JSON validation function to
 prevent HB error and correctly log errors (#18199)

---
 ui/src/localStorage.ts | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/ui/src/localStorage.ts b/ui/src/localStorage.ts
index f7195c4da6..667bb3260d 100644
--- a/ui/src/localStorage.ts
+++ b/ui/src/localStorage.ts
@@ -29,13 +29,23 @@ export const loadLocalStorage = (): LocalStorage => {
   }
 }
 
+const isValidJSONString = errorString => {
+  try {
+    JSON.parse(errorString)
+  } catch (e) {
+    return false
+  }
+  return true
+}
+
 export const saveToLocalStorage = (state: LocalStorage): void => {
   try {
     window.localStorage.setItem(
       'state',
       JSON.stringify(normalizeSetLocalStorage(state))
     )
-  } catch (err) {
-    console.error('Unable to save state to local storage: ', JSON.parse(err))
+  } catch (error) {
+    const errorMessage = isValidJSONString(error) ? JSON.parse(error) : error
+    console.error('Unable to save state to local storage: ', errorMessage)
   }
 }