| oninstall = (event) => { |
| if (self.port) |
| return; |
| event.waitUntil(new Promise(resolve => self.installingPromiseResolve = resolve)); |
| } |
| |
| onmessage = (event) => { |
| if (event.data.port) |
| self.port = event.data.port; |
| if (self.installingPromiseResolve) { |
| self.installingPromiseResolve(); |
| self.installingPromiseResolve = null; |
| } |
| if (self.activatingPromiseResolve) { |
| self.activatingPromiseResolve(); |
| self.activatingPromiseResolve = null; |
| } |
| }; |
| |
| onactivate = (event) => { |
| event.waitUntil(new Promise(resolve => self.activatingPromiseResolve = resolve)); |
| self.port.postMessage("activating"); |
| } |
| |
| self.addEventListener('fetch', () => { |
| if (self.port) |
| self.port.postMessage("fetching"); |
| }); |
