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Treat html file as failure in emoji cache

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tusooa 2023-06-16 23:12:20 -04:00
commit cc4d4ccbeb
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1 changed files with 7 additions and 2 deletions
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9
src/sw.js
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@ -193,17 +193,22 @@ self.addEventListener('notificationclick', (event) => {
self.addEventListener('fetch', (event) => {
// Do not mess up with remote things
const isSameOrigin = (new URL(event.request.url)).origin === self.location.origin
const isEmojiSuccessful = (resp) => {
const type = resp.headers.get('Content-Type')
// Backend will revert to index.html if the file does not exist, so text/html for emojis is a failure
return type && !type.includes('text/html')
}
if (shouldCache && event.request.method === 'GET' && isSameOrigin && isNotMedia(event.request)) {
event.respondWith((async () => {
const r = await caches.match(event.request)
if (r) {
if (r && (isEmojiSuccessful(r) || !isEmoji(event.request))) {
return r
}
try {
const response = await fetch(event.request)
if (response.ok && isEmoji(event.request)) {
if (response.ok && isEmojiSuccessful(response) && isEmoji(event.request)) {
const cache = await caches.open(emojiCacheKey)
await cache.put(event.request.clone(), response.clone())
}