fix: For bug when cookies are disabled using window side-effects

packages/pubsub/package.json

@@ -10,7 +10,9 @@
   },
   "sideEffects": [
     "./lib/PubSub.js",
-    "./lib-esm/PubSub.js"
+    "./lib-esm/PubSub.js",
+    "./lib/utils/PatchLocalStorage.js",
+    "./lib-esm/utils/PatchLocalStorage.js"
   ],
   "publishConfig": {
     "access": "public"

packages/pubsub/src/Providers/MqttOverWSProvider.ts

@@ -1,5 +1,7 @@
 // Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 // SPDX-License-Identifier: Apache-2.0
+
+import { reinstateLocalStorageError } from '../utils/PatchLocalStorage';
 import * as Paho from 'paho-mqtt';
 import { v4 as uuid } from 'uuid';
 import Observable, { ZenObservable } from 'zen-observable-ts';
@@ -20,6 +22,8 @@ import { AMPLIFY_SYMBOL, CONNECTION_STATE_CHANGE } from './constants';
 
 const logger = new Logger('MqttOverWSProvider');
 
+reinstateLocalStorageError();
+
 export function mqttTopicMatch(filter: string, topic: string) {
 	const filterArray = filter.split('/');
 	const length = filterArray.length;

packages/pubsub/src/utils/PatchLocalStorage.ts

@@ -0,0 +1,29 @@
+import { ConsoleLogger as Logger } from '@aws-amplify/core';
+
+const logger = new Logger('PatchLocalStorage');
+
+let error = undefined;
+
+function patchLocalStorage() {
+	try {
+		window.localStorage;
+	} catch (e) {
+		logger.error(e);
+		error = e;
+		Object.defineProperty(window, 'localStorage', {
+			value: null,
+		});
+	}
+}
+
+export function reinstateLocalStorageError() {
+	if (error) {
+		Object.defineProperty(window, 'localStorage', {
+			get: () => {
+				throw error;
+			},
+		});
+	}
+}
+
+patchLocalStorage();