From b346cf354af97c75e30648bb9eee84f1fd9330e5 Mon Sep 17 00:00:00 2001
From: Artur <artur@vaadin.com>
Date: Fri, 26 Mar 2021 22:01:31 +0200
Subject: [PATCH] fix: simplifiy sw.js polling (#10436)

---
 .../src/main/resources/META-INF/resources/frontend/Flow.ts     | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/flow-client/src/main/resources/META-INF/resources/frontend/Flow.ts b/flow-client/src/main/resources/META-INF/resources/frontend/Flow.ts
index d0118d7bb91..cd6e7534dba 100644
--- a/flow-client/src/main/resources/META-INF/resources/frontend/Flow.ts
+++ b/flow-client/src/main/resources/META-INF/resources/frontend/Flow.ts
@@ -376,8 +376,7 @@ export class Flow {
         // (HTTP error code is ok since it still verifies server's presence).
         $wnd.Vaadin.connectionState.state = ConnectionState.RECONNECTING;
         const http = new XMLHttpRequest();
-        const serverRoot = location.pathname || '/';
-        http.open('HEAD', serverRoot + (serverRoot.endsWith('/') ? '' : ' /') + 'sw.js');
+        http.open('HEAD', 'sw.js');
         http.onload = () => {
           $wnd.Vaadin.connectionState.state = ConnectionState.CONNECTED;
         };