Consider only-if-cached in FetchEvent valid on non-Mozilla-Firefox browser (#7506)

7 years ago · 4e09854ccb
parent 95b2bead0f
commit 4e09854ccb
1 changed files with 2 additions and 1 deletions
--- a/app/javascript/mastodon/service_worker/entry.js
+++ b/app/javascript/mastodon/service_worker/entry.js
@ -13,7 +13,8 @@ function fetchRoot() {
  return fetch('/', { credentials: 'include' });
 }

-const invalidOnlyIfCached = navigator.userAgent.match(/Firefox\/(\d+)/)[1] < 60;
+const firefox = navigator.userAgent.match(/Firefox\/(\d+)/);
+const invalidOnlyIfCached = firefox && firefox[1] < 60;

 // Cause a new version of a registered Service Worker to replace an existing one
 // that is already installed, and replace the currently active worker on open pages.