Ensure non-available localStorage fails gracefully (polkadot-js#6837)

kamrangul2404 · Jan 17, 2022 · 8bcd0e8 · 8bcd0e8
1 parent 919c559
commit 8bcd0e8
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/packages/apps-config/src/endpoints/development.ts b/packages/apps-config/src/endpoints/development.ts
@@ -40,7 +40,9 @@ export function createCustom (t: TFunction): LinkOption[] {
 export function createOwn (t: TFunction): LinkOption[] {
   try {
     // this may not be available, e.g. when running via script
-    const storedItems = localStorage?.getItem(CUSTOM_ENDPOINT_KEY);
+    const storedItems = typeof localStorage === 'object' && typeof localStorage.getItem === 'function'
+      ? localStorage.getItem(CUSTOM_ENDPOINT_KEY)
+      : null;
 
     if (storedItems) {
       const items = JSON.parse(storedItems) as string[];