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Code Issues Projects Releases Wiki Activity

log non-network errors in service worker to diagnose #187

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This commit is contained in:
Bruno Windels 2020-11-05 22:51:21 +01:00
parent 9708e394a0
commit 85ba1676e5
1 changed files with 21 additions and 14 deletions
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35
src/platform/web/service-worker.template.js
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@ -86,22 +86,29 @@ function isCacheableThumbnail(url) {
const baseURL = new URL(self.registration.scope); const baseURL = new URL(self.registration.scope);
async function handleRequest(request) { async function handleRequest(request) {
const url = new URL(request.url); try {
if (url.origin === baseURL.origin && url.pathname === baseURL.pathname) { const url = new URL(request.url);
request = new Request(new URL("index.html", baseURL.href)); if (url.origin === baseURL.origin && url.pathname === baseURL.pathname) {
} request = new Request(new URL("index.html", baseURL.href));
let response = await readCache(request);
if (!response) {
// use cors so the resource in the cache isn't opaque and uses up to 7mb
// https://developers.google.com/web/tools/chrome-devtools/progressive-web-apps?utm_source=devtools#opaque-responses
if (isCacheableThumbnail(url)) {
response = await fetch(request, {mode: "cors", credentials: "omit"});
} else {
response = await fetch(request);
} }
await updateCache(request, response); let response = await readCache(request);
if (!response) {
// use cors so the resource in the cache isn't opaque and uses up to 7mb
// https://developers.google.com/web/tools/chrome-devtools/progressive-web-apps?utm_source=devtools#opaque-responses
if (isCacheableThumbnail(url)) {
response = await fetch(request, {mode: "cors", credentials: "omit"});
} else {
response = await fetch(request);
}
await updateCache(request, response);
}
return response;
} catch (err) {
if (!(err instanceof TypeError)) {
console.error("error in service worker", err);
}
throw err;
} }
return response;
} }
async function updateCache(request, response) { async function updateCache(request, response) {