| self.addEventListener('install', e => e.waitUntil(skipWaiting())); | |
| self.addEventListener('activate', e => e.waitUntil(clients.claim())); | |
| self.addEventListener('message', event => { | |
| try { | |
| self.registration.paymentManager; | |
| } catch (e) { | |
| event.source.postMessage(e); | |
| } | |
| }); |