Disallow async function in service worker (#7482)

offline-plugin depends on webpack.optimize.UglifyJsPlugin, which is an
alias of uglifyjs-webpack-plugin v0.4.6. uglifyjs-webpack-plugin v0.4.6
uses uglify-js 2.8.29, which is not compatible with async function.
This commit is contained in:
Akihiko Odaki 2018-05-15 02:58:11 +09:00 committed by Eugen Rochko
parent ed4bae182b
commit 03b69ebc45

View file

@ -28,11 +28,10 @@ self.addEventListener('fetch', function(event) {
const asyncResponse = fetchRoot();
const asyncCache = openWebCache();
event.respondWith(asyncResponse.then(async response => {
event.respondWith(asyncResponse.then(response => {
if (response.ok) {
const cache = await asyncCache;
await cache.put('/', response);
return response.clone();
return asyncCache.then(cache => cache.put('/', response))
.then(() => response.clone());
}
throw null;
@ -41,35 +40,38 @@ self.addEventListener('fetch', function(event) {
const asyncResponse = fetch(event.request);
const asyncCache = openWebCache();
event.respondWith(asyncResponse.then(async response => {
event.respondWith(asyncResponse.then(response => {
if (response.ok || response.type === 'opaqueredirect') {
await Promise.all([
return Promise.all([
asyncCache.then(cache => cache.delete('/')),
indexedDB.deleteDatabase('mastodon'),
]);
]).then(() => response);
}
return response;
}));
} else if (process.env.CDN_HOST ? url.host === process.env.CDN_HOST : url.pathname.startsWith('/system/')) {
event.respondWith(openSystemCache().then(async cache => {
const cached = await cache.match(event.request.url);
event.respondWith(openSystemCache().then(cache => {
return cache.match(event.request.url).then(cached => {
if (cached === undefined) {
return fetch(event.request).then(fetched => {
if (fetched.ok) {
const put = cache.put(event.request.url, fetched.clone());
if (cached === undefined) {
const fetched = await fetch(event.request);
put.catch(() => freeStorage());
if (fetched.ok) {
try {
await cache.put(event.request.url, fetched.clone());
} finally {
freeStorage();
}
return put.then(() => {
freeStorage();
return fetched;
});
}
return fetched;
});
}
return fetched;
}
return cached;
return cached;
});
}));
}
});