web/notify.moe
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Fix double request

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This commit is contained in:
Eduard Urbach
2017-07-19 08:45:41 +02:00
parent 6b64cc62dd
commit 1f3507ea9e
2 changed files with 17 additions and 5 deletions
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11
sw/service-worker.ts
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@ -137,10 +137,17 @@ self.addEventListener("fetch", async (evt: FetchEvent) => {
return evt.waitUntil(evt.respondWith(fetch(request)))
}
// Forced cache response?
if(request.headers.get("X-CacheOnly") === "true") {
console.log("forced cache response")
return evt.waitUntil(fromCache(request))
}
let servedETag = undefined
// Start fetching the request
let refresh = fetch(request).then(response => {
console.log(response)
let clone = response.clone()
// Save the new version of the resource in the cache
@ -158,11 +165,11 @@ self.addEventListener("fetch", async (evt: FetchEvent) => {
// Forced reload
if(request.headers.get("X-Reload") === "true") {
return evt.waitUntil(refresh.then(response => {
return evt.waitUntil(evt.respondWith(refresh.then(response => {
servedETag = response.headers.get("ETag")
ETAGS.set(request.url, servedETag)
return response
}))
})))
}
// Try to serve cache first and fall back to network response