From 0acce29df19e48919ac5874d54dfa821a0e0759d Mon Sep 17 00:00:00 2001
From: Ivan Artemiev <29709626+iartemiev@users.noreply.github.com>
Date: Mon, 12 Oct 2020 20:29:17 -0400
Subject: [PATCH] feat(@aws-amplify/core: add worker support to reachability

---
 packages/core/src/Util/Reachability.ts | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/packages/core/src/Util/Reachability.ts b/packages/core/src/Util/Reachability.ts
index d7f367a0450..f71bae65cfd 100644
--- a/packages/core/src/Util/Reachability.ts
+++ b/packages/core/src/Util/Reachability.ts
@@ -1,4 +1,4 @@
-import { browserOrNode } from '@aws-amplify/core';
+import { browserOrNode, isWebWorker } from '@aws-amplify/core';
 import Observable, { ZenObservable } from 'zen-observable-ts';
 
 type NetworkStatus = {
@@ -16,7 +16,11 @@ export default class ReachabilityNavigator implements Reachability {
 		}
 
 		return new Observable(observer => {
-			observer.next({ online: window.navigator.onLine });
+			const online = isWebWorker()
+				? self.navigator.onLine
+				: window.navigator.onLine;
+
+			observer.next({ online });
 
 			const notifyOnline = () => observer.next({ online: true });
 			const notifyOffline = () => observer.next({ online: false });